| | William Andrew “Bill” Crowley Sr 1889–1975 Marie Ann “Mayme” Reuter 1891–1961 | | | | Jeremiah Joseph “Jerry” Crowley 1852–1903 Catharine Josephine “Kate” Dinan 1857–1937 | | | | Timothy Denis Crowley 1820–1867 | | |
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| | | Siebold Gustav “Gustav” Reuter 1857–1918 Margaret Koopman 1862–1944 | | | | Harm B. “Opa” Koopman 1832–1930 |
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