




| Family | Elisabeth Sy, b. 8 Mar 1782, Fredersdorf, Uckermark, Brandenburg, Germany | |||||||
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| Birth | 25 Jan 1785 | Fredersdorf, Uckermark, Brandenburg, Germany |
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| Father | Abraham Sy, b. 9 Feb 1748, Gramzow, Uckermark, Brandenburg, Germany | |||||
| Mother | Judith Berthe, b. 8 Sep 1760, Fredersdorf, Uckermark, Brandenburg, Germany | |||||
| Married | 23 Oct 1778 | Fredersdorf, Uckermark, Brandenburg, Germany |
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| Family | Christian Erdmann, b. 1789 | |||||
| Married | 1 May 1812 | Briest, Uckermark, Germany |
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| Birth | 1789 | |||||
| Family | Marie Sy, b. 25 Jan 1785, Fredersdorf, Uckermark, Brandenburg, Germany | |||||
| Married | 1 May 1812 | Briest, Uckermark, Germany |
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| Birth | 17 Aug 1785 | Fredersdorf, Uckermark, Brandenburg, Germany |
| Father | Abraham Sy, b. 9 Feb 1748, Gramzow, Uckermark, Brandenburg, Germany | |
| Mother | Judith Berthe, b. 8 Sep 1760, Fredersdorf, Uckermark, Brandenburg, Germany | |
| Married | 23 Oct 1778 | Fredersdorf, Uckermark, Brandenburg, Germany |

| Birth | 17 Mar 1787 | Fredersdorf, Uckermark, Brandenburg, Germany |
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| Died | 30 Jan 1862 | |||
| Father | Abraham Sy, b. 9 Feb 1748, Gramzow, Uckermark, Brandenburg, Germany | |||
| Mother | Judith Berthe, b. 8 Sep 1760, Fredersdorf, Uckermark, Brandenburg, Germany | |||
| Married | 23 Oct 1778 | Fredersdorf, Uckermark, Brandenburg, Germany |
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| Family | Isaac Kuehn, b. 1783, Zillchow, Stettin, Preußen, (Poland),Germany | |||
| Married | 24 Dec 1817 | Fredersdorf, Uckermark, Brandenburg, Germany |
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| Birth | 1783 | Zillchow, Stettin, Preußen, (Poland),Germany |
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| Family | Christine Sy, b. 17 Mar 1787, Fredersdorf, Uckermark, Brandenburg, Germany | |||
| Married | 24 Dec 1817 | Fredersdorf, Uckermark, Brandenburg, Germany |
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| Birth | 8 Feb 1789 | Fredersdorf, Uckermark, Brandenburg, Germany |
| Died | 15 Sep 1791 | Fredersdorf, Uckermark, Brandenburg, Germany |
| Father | Abraham Sy, b. 9 Feb 1748, Gramzow, Uckermark, Brandenburg, Germany | |
| Mother | Judith Berthe, b. 8 Sep 1760, Fredersdorf, Uckermark, Brandenburg, Germany | |
| Married | 23 Oct 1778 | Fredersdorf, Uckermark, Brandenburg, Germany |

| Birth | 10 Jan 1791 | Fredersdorf, Uckermark, Brandenburg, Germany |
| Died | 10 Mar 1808 | Fredersdorf, Uckermark, Brandenburg, Germany |
| Father | Abraham Sy, b. 9 Feb 1748, Gramzow, Uckermark, Brandenburg, Germany | |
| Mother | Judith Berthe, b. 8 Sep 1760, Fredersdorf, Uckermark, Brandenburg, Germany | |
| Married | 23 Oct 1778 | Fredersdorf, Uckermark, Brandenburg, Germany |

| Birth | 20 Apr 1793 | Fredersdorf, Uckermark, Brandenburg, Germany |
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| Died | 23 Sep 1873 | |||||||||||||
| Father | Abraham Sy, b. 9 Feb 1748, Gramzow, Uckermark, Brandenburg, Germany | |||||||||||||
| Mother | Judith Berthe, b. 8 Sep 1760, Fredersdorf, Uckermark, Brandenburg, Germany | |||||||||||||
| Married | 23 Oct 1778 | Fredersdorf, Uckermark, Brandenburg, Germany |
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| Family | Carl Soyeaux, b. 10 Dec 1784, Fredersdorf, Uckermark, Brandenburg, Germany | |||||||||||||
| Married | 30 Sep 1812 | Fredersdorf, Uckermark, Brandenburg, Germany |
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| Birth | 10 Dec 1784 | Fredersdorf, Uckermark, Brandenburg, Germany |
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| Died | 15 Jul 1841 | Meichow, Uckermark, Germany |
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| Family | Louise Sy, b. 20 Apr 1793, Fredersdorf, Uckermark, Brandenburg, Germany | |||||||||||||
| Married | 30 Sep 1812 | Fredersdorf, Uckermark, Brandenburg, Germany |
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| Birth | 16 Aug 1795 | Fredersdorf, Uckermark, Brandenburg, Germany |
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| Died | 22 Jan 1865 | |||||||||||||||||||||||||
| Father | Abraham Sy, b. 9 Feb 1748, Gramzow, Uckermark, Brandenburg, Germany | |||||||||||||||||||||||||
| Mother | Judith Berthe, b. 8 Sep 1760, Fredersdorf, Uckermark, Brandenburg, Germany | |||||||||||||||||||||||||
| Married | 23 Oct 1778 | Fredersdorf, Uckermark, Brandenburg, Germany |
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| Family | Lowise Rossow, b. 1795, Fredersdorf, Uckermark, Brandenburg, Germany | |||||||||||||||||||||||||
| Married | 14 Nov 1816 | Fredersdorf, Uckermark, Brandenburg, Germany |
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| Birth | 1795 | Fredersdorf, Uckermark, Brandenburg, Germany |
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| Family | Isaac Sy, b. 16 Aug 1795, Fredersdorf, Uckermark, Brandenburg, Germany | |||||||||||||||||||||||||
| Married | 14 Nov 1816 | Fredersdorf, Uckermark, Brandenburg, Germany |
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| Birth | 23 Dec 1797 | Fredersdorf, Uckermark, Brandenburg, Germany |
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| Died | 22 Feb 1848 | |||
| Father | Abraham Sy, b. 9 Feb 1748, Gramzow, Uckermark, Brandenburg, Germany | |||
| Mother | Judith Berthe, b. 8 Sep 1760, Fredersdorf, Uckermark, Brandenburg, Germany | |||
| Married | 23 Oct 1778 | Fredersdorf, Uckermark, Brandenburg, Germany |
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| Family | Anne Luise Schlueter, b. 1809, Passow, Germany | |||
| Married | 10 Nov 1831 | Passow, Germany |
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| Birth | 2 Dec 1800 | Fredersdorf, Uckermark, Brandenburg, Germany |
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| Died | 27 Jan 1872 | |||||||||||
| Father | Abraham Sy, b. 9 Feb 1748, Gramzow, Uckermark, Brandenburg, Germany | |||||||||||
| Mother | Judith Berthe, b. 8 Sep 1760, Fredersdorf, Uckermark, Brandenburg, Germany | |||||||||||
| Married | 23 Oct 1778 | Fredersdorf, Uckermark, Brandenburg, Germany |
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| Family | Christine Luise Muetzelburg, b. 24 Dec 1804, Gerswalde,Brandenburg, Germany | |||||||||||
| Married | 4 Nov 1832 | Gramzow, Brandenburg, Germany |
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| Birth | 24 Dec 1804 | Gerswalde,Brandenburg, Germany |
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| Died | 11 Feb 1875 | Fredersdorf, Uckermark, Brandenburg, Germany |
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| Family | Jacob Sy, b. 2 Dec 1800, Fredersdorf, Uckermark, Brandenburg, Germany | |||||||||||
| Married | 4 Nov 1832 | Gramzow, Brandenburg, Germany |
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| Birth | 6 Mar 1802 | Fredersdorf, Uckermark, Brandenburg, Germany |
| Father | Abraham Sy, b. 9 Feb 1748, Gramzow, Uckermark, Brandenburg, Germany | |
| Mother | Judith Berthe, b. 8 Sep 1760, Fredersdorf, Uckermark, Brandenburg, Germany | |
| Married | 23 Oct 1778 | Fredersdorf, Uckermark, Brandenburg, Germany |

| Birth | 9 Feb 1748 | Gramzow, Uckermark, Brandenburg, Germany |
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| Died | 30 Dec 1809 | |||||||||||||||||||||||||||
| Family | Judith Berthe, b. 8 Sep 1760, Fredersdorf, Uckermark, Brandenburg, Germany | |||||||||||||||||||||||||||
| Married | 23 Oct 1778 | Fredersdorf, Uckermark, Brandenburg, Germany |
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| Birth | 1623 | |||||||
| Died | 21 Feb 1699 | Woddow, Brandenburg, Germany |
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| Family | Jacques Gombert, b. 1625, La Gorgue, La Leu, Nord Pas de Calais, France | |||||||
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| Birth | 9 Feb 1748 | Gramzow, Uckermark, Brandenburg, Germany |
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| Died | 30 Dec 1809 | |||||||||||||||||||||||||||
| Family | Judith Berthe, b. 8 Sep 1760, Fredersdorf, Uckermark, Brandenburg, Germany | |||||||||||||||||||||||||||
| Married | 23 Oct 1778 | Fredersdorf, Uckermark, Brandenburg, Germany |
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| Birth | 8 Sep 1760 | Fredersdorf, Uckermark, Brandenburg, Germany |
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| Died | 10 Dec 1833 | Potzlow, Gramzow, Angermünde, Brandenburg, Germany |
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| Father | Michee Berthe, b. 2 Nov 1725, Briest, Uckermark, Germany | |||||||||||||||||||||||||||
| Mother | Rachel Overlac, b. 2 Nov 1724, Meichow, Uckermark, Germany | |||||||||||||||||||||||||||
| Married | 5 Nov 1756 | |||||||||||||||||||||||||||
| Family | Abraham Sy, b. 9 Feb 1748, Gramzow, Uckermark, Brandenburg, Germany | |||||||||||||||||||||||||||
| Married | 23 Oct 1778 | Fredersdorf, Uckermark, Brandenburg, Germany |
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| Birth | 1795 | Fredersdorf, Uckermark, Brandenburg, Germany |
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| Family | Isaac Sy, b. 16 Aug 1795, Fredersdorf, Uckermark, Brandenburg, Germany | |||||||||||||||||||||||||
| Married | 14 Nov 1816 | Fredersdorf, Uckermark, Brandenburg, Germany |
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| Birth | 1 Sep 1818 | Fredersdorf, Uckermark, Brandenburg, Germany |
| Died | 18 Feb 1834 | Fredersdorf, Uckermark, Brandenburg, Germany |
| Father | Isaac Sy, b. 16 Aug 1795, Fredersdorf, Uckermark, Brandenburg, Germany | |
| Mother | Lowise Rossow, b. 1795, Fredersdorf, Uckermark, Brandenburg, Germany | |
| Married | 14 Nov 1816 | Fredersdorf, Uckermark, Brandenburg, Germany |

| Birth | 1819 | Fredersdorf, Uckermark, Brandenburg, Germany |
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| Died | 12 Nov 1868 | |||||||||
| Father | Isaac Sy, b. 16 Aug 1795, Fredersdorf, Uckermark, Brandenburg, Germany | |||||||||
| Mother | Lowise Rossow, b. 1795, Fredersdorf, Uckermark, Brandenburg, Germany | |||||||||
| Married | 14 Nov 1816 | Fredersdorf, Uckermark, Brandenburg, Germany |
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| Family | Justine Israel, b. 17 Jun 1823, Zichow, Uckermark, Germany | |||||||||
| Married | 1851 | Güstow, Brandenburg, Germany |
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| Birth | 15 Dec 1824 | Fredersdorf, Uckermark, Brandenburg, Germany |
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| Father | Isaac Sy, b. 16 Aug 1795, Fredersdorf, Uckermark, Brandenburg, Germany | |||||||
| Mother | Lowise Rossow, b. 1795, Fredersdorf, Uckermark, Brandenburg, Germany | |||||||
| Married | 14 Nov 1816 | Fredersdorf, Uckermark, Brandenburg, Germany |
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| Family | Martin Eichmann, b. 1821, Gramzow, Uckermark, Brandenburg, Germany | |||||||
| Married | 1845 | Fredersdorf, Uckermark, Brandenburg, Germany |
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| Birth | 14 Nov 1826 | Fredersdorf, Uckermark, Brandenburg, Germany |
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| Father | Isaac Sy, b. 16 Aug 1795, Fredersdorf, Uckermark, Brandenburg, Germany | |||
| Mother | Lowise Rossow, b. 1795, Fredersdorf, Uckermark, Brandenburg, Germany | |||
| Married | 14 Nov 1816 | Fredersdorf, Uckermark, Brandenburg, Germany |
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| Family 2 | Michael Carl, b. 1823 | |||
| Married | 1846 | Fredersdorf, Uckermark, Brandenburg, Germany |
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| Birth | 1 Jun 1828 | Fredersdorf, Uckermark, Brandenburg, Germany |
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| Father | Isaac Sy, b. 16 Aug 1795, Fredersdorf, Uckermark, Brandenburg, Germany | |||||||||
| Mother | Lowise Rossow, b. 1795, Fredersdorf, Uckermark, Brandenburg, Germany | |||||||||
| Married | 14 Nov 1816 | Fredersdorf, Uckermark, Brandenburg, Germany |
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| Family | Johanne Louise Priegnitz, b. 25 Mar 1834, Reckstatt | |||||||||
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| Birth | 8 May 1830 | Fredersdorf, Uckermark, Brandenburg, Germany |
| Father | Isaac Sy, b. 16 Aug 1795, Fredersdorf, Uckermark, Brandenburg, Germany | |
| Mother | Lowise Rossow, b. 1795, Fredersdorf, Uckermark, Brandenburg, Germany | |
| Married | 14 Nov 1816 | Fredersdorf, Uckermark, Brandenburg, Germany |

| Birth | 16 May 1833 | Fredersdorf, Uckermark, Brandenburg, Germany |
| Father | Isaac Sy, b. 16 Aug 1795, Fredersdorf, Uckermark, Brandenburg, Germany | |
| Mother | Lowise Rossow, b. 1795, Fredersdorf, Uckermark, Brandenburg, Germany | |
| Married | 14 Nov 1816 | Fredersdorf, Uckermark, Brandenburg, Germany |

| Birth | 29 Nov 1836 | Fredersdorf, Uckermark, Brandenburg, Germany |
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| Father | Isaac Sy, b. 16 Aug 1795, Fredersdorf, Uckermark, Brandenburg, Germany | |||||||||||||||||
| Mother | Lowise Rossow, b. 1795, Fredersdorf, Uckermark, Brandenburg, Germany | |||||||||||||||||
| Married | 14 Nov 1816 | Fredersdorf, Uckermark, Brandenburg, Germany |
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| Family | Henriette Wilhelmine Pitkowski, b. Abt 1836, Danzig | |||||||||||||||||
| Married | 21 Mar 1857 | Gramzow, Brandenburg, Germany |
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| Birth | 7 Sep 1838 | Fredersdorf, Uckermark, Brandenburg, Germany |
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| Father | Isaac Sy, b. 16 Aug 1795, Fredersdorf, Uckermark, Brandenburg, Germany | |||||||||||||
| Mother | Lowise Rossow, b. 1795, Fredersdorf, Uckermark, Brandenburg, Germany | |||||||||||||
| Married | 14 Nov 1816 | Fredersdorf, Uckermark, Brandenburg, Germany |
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| Family | Albertine Louise Wilhelmine Reinecke, b. 24 Jun 1844, Radekow, Brandenburg, Germany | |||||||||||||
| Married | 1866 | Berlin, Germany |
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| Birth | 1840 | Fredersdorf, Uckermark, Brandenburg, Germany |
| Died | 23 Jun 1844 | Fredersdorf, Uckermark, Brandenburg, Germany |
| Father | Isaac Sy, b. 16 Aug 1795, Fredersdorf, Uckermark, Brandenburg, Germany | |
| Mother | Lowise Rossow, b. 1795, Fredersdorf, Uckermark, Brandenburg, Germany | |
| Married | 14 Nov 1816 | Fredersdorf, Uckermark, Brandenburg, Germany |

| Birth | 24 Oct 1844 | Fredersdorf, Uckermark, Brandenburg, Germany |
| Father | Isaac Sy, b. 16 Aug 1795, Fredersdorf, Uckermark, Brandenburg, Germany | |
| Mother | Lowise Rossow, b. 1795, Fredersdorf, Uckermark, Brandenburg, Germany | |
| Married | 14 Nov 1816 | Fredersdorf, Uckermark, Brandenburg, Germany |
| Name | Isaac Sy | ||||||||||||||||||||||||||
Relationship![]() | with Pierre Devantier | ||||||||||||||||||||||||||
| Birth | 16 Aug 1795 | Fredersdorf, Uckermark, Brandenburg, Germany |
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| Gender | Male | ||||||||||||||||||||||||||
| Death | 22 Jan 1865 | ||||||||||||||||||||||||||
Siblings |
7 brothers and 5 sisters | ||||||||||||||||||||||||||
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| Oldest Known Ancestors | Paternal Line: Abraham Sy, b. 9 Feb 1748, Gramzow, Uckermark, Brandenburg, Germany d. 30 Dec 1809Maternal Line: Marguerite Salome, b. 1623 d. 21 Feb 1699, Woddow, Brandenburg, Germany ![]() |
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| Person ID | I18533 | Devantier Tree | Decendant of Pierre Devantier (Born before 1600), German - Branch, Judith Devantier (1701-1748) Branch | |||||||||||||||||||||||||
| Last Modified | 30 Dec 2025 | ||||||||||||||||||||||||||
| Father | Abraham Sy, b. 9 Feb 1748, Gramzow, Uckermark, Brandenburg, Germany d. 30 Dec 1809 (Age 61 years) | |
| Mother | Judith Berthe, b. 8 Sep 1760, Fredersdorf, Uckermark, Brandenburg, Germany d. 10 Dec 1833, Potzlow, Gramzow, Angermünde, Brandenburg, Germany (Age 73 years) | |
| Marriage | 23 Oct 1778 | Fredersdorf, Uckermark, Brandenburg, Germany |
| Age at Marriage | He : 30 years and 8 months - She : 18 years and 1 month. | |
| Family ID | F3144 | Group Sheet | Family Chart |
| Family | Lowise Rossow, b. 1795, Fredersdorf, Uckermark, Brandenburg, Germany | |||||||||||||||||||||||||
| Marriage | 14 Nov 1816 | Fredersdorf, Uckermark, Brandenburg, Germany |
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| Age at Marriage | He : 21 years and 3 months - She : ~ 21 years and 11 months. | |||||||||||||||||||||||||
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| Family ID | F6001 | Group Sheet | Family Chart | ||||||||||||||||||||||||
| Last Modified | 13 Jan 2026 | |||||||||||||||||||||||||
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