Timeline: Robert John Koesterer: Merkel Genealogy

UPDATED: 14 September 2026

Robert John Koesterer

1938 - 1970 (31 years)

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Timeline

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Lena Biesiegel (1867 - )

Elizabeth Janes (1898 - )

William Leo Schlegel (1893 - 1962)

Martin De Oude (1887 - 1963)

George Burkhart (1857 - )

Sophia Young (1890 - )

May McGuire (1869 - )

Benedict Joseph Dorfner (1893 - )

Barbara Wahl (1893 - )

Mary Strassner (1853 - )

Sidney Klein (1909 - )

Adelaide Jorg (1869 - )

Eloise Peartree (Poirier) (1916 - 2001)

Thorington Preston Plummer (1891 - 1950)

Margaret Bubel (1870 - 1947)

George Clifford (1871 - )

Clara Strutz (1879 - 1924)

Raymond Krueger (1901 - )

Olive Irene Braman (1882 - 1971)

George Theodore Horn (1892 - 1961)

Helen Kramer (1881 - 1942)

Lois Bernadine Jeffery (1912 - 1982)

Catherine Dukelow (1894 - )

Walter Kane (1899 - 1947)

Anna Rick (1890 - )

Raymond Arthur Walters (1908 - )

Leonard VanAlmkerk (1898 - )

Roy Frederick Bettin (1916 - )

Anna Catherine Knapp (1886 - )

Leonora Magdalena Augusta Wusnick (1902 - )

Frank Buchin (1859 - 1912)

Maria Eva Brugger (1891 - )

Gertrude Thrall (1934 - )

Marguerite F. Collinson (1895 - 1982)

Friederike Georgina Sophie Dorothea Brast (1854 - )

Edward B. Maslyn (1882 - 1964)

Anna Margaret Herman (1881 - )

Walter William Ruscher (1897 - 1919)

Andrew Sullivan (1856 - 1911)

William Krautwurst (1889 - )

Susan Meulendyke (1851 - )

Leon De Munck (1935 - 2010)

Frances Neubieser (1896 - 1897)

Raymond H. Keating (1904 - )

Helen Reid (1903 - )

Herman Birr (1889 - 1950)

Ruth Hoch (1912 - 2011)

Alice Kathleen Waddington (1898 - )

Charles Berlin (1887 - )

Evold Edward Virkus (1889 - 1955)

William Charles Buttner (1893 - )

Jacob Contant (1904 - 1936)

Philipp Frank Herman (1875 - 1876)

Harry Robinson (1906 - )

Edwin Frederick Carl Kasischke (1898 - )

Maud MacCallum (1870 - )

Gordon Jennejohn (1896 - 1962)

Rose Maria Rapp (1896 - 1973)

Anna Johanna De Kramer (1905 - )

Robert Christ (1885 - 1943)

Harry Morend Beach (1891 - )

William Woerner (1884 - 1976)

Jacob De Cocq (1830 - )

Maria Francisca Miller (1892 - 1976)

Grace White (1893 - )

Julia Brizee (1888 - )

Clara Elizabeth Meyer (1888 - )

Arthur Leo Smith (1902 - 1992)

Elsie Helena Hardies (1901 - 2001)

Frederick Mahar (1903 - )

Marie Hildegard Hegnauer (1899 - )

Albert Emil Seitz (1866 - 1918)

George Wachter (1852 - 1912)

Irene LaVina Burns (1910 - 1977)

John Barth (1858 - 1922)

John G. Weidner (1882 - )

William Carroll (1880 - )

John Bernerd Martin (1898 - )

Sophia Schrader (1866 - )

Jozias Verkruijsse (1868 - )

Raymond poshva (1905 - 1992)

Susan Helen Chambery (1914 - )

Eva Smith (1890 - )

Mortimer McMullen (1887 - 1902)

Harley Ignatius Brickler (1907 - 1984)

Edward McShea (1886 - )

Ida Strutz (1864 - 1945)

Pearl Henrietta DeYoung (1892 - )

Warren Henry Zollweg (1928 - )

Bernard Herold (1913 - 1988)

Doris Keenan (1900 - 1924)

Frederick Anthony Boldt (1885 - )

Anna Maria Borgmann (1922 - 2020)

Elmer Barth (1891 - )

Jacob Christ (1883 - 1945)

Elsie Widener (1889 - )

Richard Vollmer (1919 - 2011)

Mabel Gertrude Twitchell (1898 - )

Anna Barbara Miller (1895 - 1993)

Gertrude Rice (1885 - )

Albert John Missel (1889 - 1948)

Robert John Koesterer (1938 - 1970)

Magdalena Statt (1895 - 1895)