Robert Jahn

1927 -    Has 33 ancestors but no descendants in this family tree.

Leonard C. Jahn

1910 -

Birth	1910	Illinois, USA
Father	William Ernst Jahn,   b. 16 Oct 1875, Briest, Uckermark, Germany
Mother	Caroline A. Jankovske,   b. 24 Jul 1885, Illinois, USA

Evelyn Martha Jahn

1913 - 1974  (61 years)

Birth	10 Mar 1913	Racine, Racine county, Wisconsin, USA
Died	9 Aug 1974	Racine, Racine county, Wisconsin, USA
Father	William Ernst Jahn,   b. 16 Oct 1875, Briest, Uckermark, Germany
Mother	Caroline A. Jankovske,   b. 24 Jul 1885, Illinois, USA
Family	Leo LaPointe,   b. 10 Jul 1910, Iron Mountain, Dickinson, Michigan, USA

Leo LaPointe

1910 - 1977  (66 years)

Birth	10 Jul 1910	Iron Mountain, Dickinson, Michigan, USA
Died	3 Jul 1977	Mount Pleasant, Racine, Wisconsin, USA
Family	Evelyn Martha Jahn,   b. 10 Mar 1913, Racine, Racine county, Wisconsin, USA

Helen Jahn

1919 -

Birth	1919	Wisconsin, USA
Father	William Ernst Jahn,   b. 16 Oct 1875, Briest, Uckermark, Germany
Mother	Caroline A. Jankovske,   b. 24 Jul 1885, Illinois, USA
Family	Betko

Betko

Family	Helen Jahn,   b. 1919, Wisconsin, USA

Alice Edna Jahn

1922 - 2014  (92 years)

Birth	1 Mar 1922	Racine, Racine county, Wisconsin, USA
Died	5 May 2014	Milwaukee, Milwaukee, Wisconsin, USA
Father	William Ernst Jahn,   b. 16 Oct 1875, Briest, Uckermark, Germany
Mother	Caroline A. Jankovske,   b. 24 Jul 1885, Illinois, USA
Family	Donald James Hansen,   b. 25 Feb 1920, Racine, Racine county, Wisconsin, USA
Married	28 Feb 1942	Racine, Racine county, Wisconsin, USA
Children	1. Sharon Lee Hansen,   b. 7 Dec 1942, Racine, Racine county, Wisconsin, USA

Donald James Hansen

1920 - 1978  (58 years)

Birth	25 Feb 1920	Racine, Racine county, Wisconsin, USA
Died	31 Dec 1978	Racine, Racine county, Wisconsin, USA
Family	Alice Edna Jahn,   b. 1 Mar 1922, Racine, Racine county, Wisconsin, USA
Married	28 Feb 1942	Racine, Racine county, Wisconsin, USA
Children	1. Sharon Lee Hansen,   b. 7 Dec 1942, Racine, Racine county, Wisconsin, USA

William E. Jahn

1925 -

Birth	1925	Wisconsin, USA
Father	William Ernst Jahn,   b. 16 Oct 1875, Briest, Uckermark, Germany
Mother	Caroline A. Jankovske,   b. 24 Jul 1885, Illinois, USA

Robert Jahn

1927 -

Birth	1927	Wisconsin, USA
Father	William Ernst Jahn,   b. 16 Oct 1875, Briest, Uckermark, Germany
Mother	Caroline A. Jankovske,   b. 24 Jul 1885, Illinois, USA

Johann Friedrich Jahn

1804 - 1890  (86 years)

Birth	21 Jun 1804	Malchow, Uckermark, Brandenburg, Germany
Died	3 Dec 1890	Sheboygan county, Wisconsin, USA
Family	Dorothea Luise Zuehlke,   b. 17 Jul 1810, Gramzow, Uckermark, Brandenburg, Germany
Married	8 Nov 1832	Gramzow, Uckermark, Brandenburg, Germany
Children	1. Christian Friedrich Jahn,   b. 8 Aug 1833, Gramzow, Uckermark, Brandenburg, Germany + 2. William Jahn,   b. 12 Jun 1840, Angermünde, Brandenburg, Germany   3. August Friedrich Jahn,   b. 1843, Germany + 4. Fred Jahn,   b. 30 Nov 1845, Germany + 5. Marie Jahn,   b. 29 Dec 1852, Germany   6. Carl Jahn

Caroline A. Jankovske

1885 - 1939  (53 years)

Nickname	Carrie
Birth	24 Jul 1885	Illinois, USA
Died	7 Jul 1939	Racine, Wisconsin, USA
Family	William Ernst Jahn,   b. 16 Oct 1875, Briest, Uckermark, Germany
Children	1. Leonard C. Jahn,   b. 1910, Illinois, USA   2. Evelyn Martha Jahn,   b. 10 Mar 1913, Racine, Racine county, Wisconsin, USA   3. Helen Jahn,   b. 1919, Wisconsin, USA + 4. Alice Edna Jahn,   b. 1 Mar 1922, Racine, Racine county, Wisconsin, USA   5. William E. Jahn,   b. 1925, Wisconsin, USA   6. Robert Jahn,   b. 1927, Wisconsin, USA

William Ernst Jahn

1875 - 1940  (64 years)

Birth	16 Oct 1875	Briest, Uckermark, Germany
Died	13 Oct 1940	Waukegan, Lake, Illinois, USA
Father	William Jahn,   b. 12 Jun 1840, Angermünde, Brandenburg, Germany
Mother	Louise Leider,   b. 27 Jul 1840, Briest, Uckermark, Germany
Married	4 Dec 1864	Briest, Uckermark, Germany
Family	Caroline A. Jankovske,   b. 24 Jul 1885, Illinois, USA
Children	1. Leonard C. Jahn,   b. 1910, Illinois, USA   2. Evelyn Martha Jahn,   b. 10 Mar 1913, Racine, Racine county, Wisconsin, USA   3. Helen Jahn,   b. 1919, Wisconsin, USA + 4. Alice Edna Jahn,   b. 1 Mar 1922, Racine, Racine county, Wisconsin, USA   5. William E. Jahn,   b. 1925, Wisconsin, USA   6. Robert Jahn,   b. 1927, Wisconsin, USA

Caroline A. Jankovske

1885 - 1939  (53 years)

Nickname	Carrie
Birth	24 Jul 1885	Illinois, USA
Died	7 Jul 1939	Racine, Wisconsin, USA
Family	William Ernst Jahn,   b. 16 Oct 1875, Briest, Uckermark, Germany
Children	1. Leonard C. Jahn,   b. 1910, Illinois, USA   2. Evelyn Martha Jahn,   b. 10 Mar 1913, Racine, Racine county, Wisconsin, USA   3. Helen Jahn,   b. 1919, Wisconsin, USA + 4. Alice Edna Jahn,   b. 1 Mar 1922, Racine, Racine county, Wisconsin, USA   5. William E. Jahn,   b. 1925, Wisconsin, USA   6. Robert Jahn,   b. 1927, Wisconsin, USA

• Name	Robert Jahn
  Relationship	with Pierre Devantier
  Birth	1927	Wisconsin, USA
  Gender	Male
  Siblings	2 brothers and 3 sisters
  1. Leonard C. Jahn,   b. 1910, Illinois, USA > 2. Evelyn Martha Jahn,   b. 10 Mar 1913, Racine, Racine county, Wisconsin, USA d. 9 Aug 1974, Racine, Racine county, Wisconsin, USA  (Age 61 years) ▻ Leo LaPointe > 3. Helen Jahn,   b. 1919, Wisconsin, USA ▻ Betko + 4. Alice Edna Jahn,   b. 1 Mar 1922, Racine, Racine county, Wisconsin, USA d. 5 May 2014, Milwaukee, Milwaukee, Wisconsin, USA  (Age 92 years) ▻ Donald James Hansen,  m. 28 Feb 1942   5. William E. Jahn,   b. 1925, Wisconsin, USA   6. Robert Jahn,   b. 1927, Wisconsin, USA
  Oldest Known Ancestors	Paternal Line: Johann Friedrich Jahn,   b. 21 Jun 1804, Malchow, Uckermark, Brandenburg, Germany d. 3 Dec 1890, Sheboygan county, Wisconsin, USA Maternal Line: Caroline A. Jankovske,   b. 24 Jul 1885, Illinois, USA d. 7 Jul 1939, Racine, Wisconsin, USA
  Person ID	I18453	Devantier Tree | USA - Branch, Decendant of Pierre Devantier (Born before 1600), Judith Devantier (1701-1748) Branch
  Last Modified	24 Dec 2025

  
  

  Father	William Ernst Jahn,   b. 16 Oct 1875, Briest, Uckermark, Germany d. 13 Oct 1940, Waukegan, Lake, Illinois, USA (Age 64 years)
  Mother	Caroline A. Jankovske,   b. 24 Jul 1885, Illinois, USA d. 7 Jul 1939, Racine, Wisconsin, USA (Age 53 years)
  Family ID	F5922	Group Sheet  |  Family Chart

  
  

• Event Map		Birth - 1927 - Wisconsin, USA  = Link to Google Earth
  Pin Legend	: Address       : Location       : City/Town       : County/Shire       : State/Province       : Country       : Not Set