Family Group Sheet| HUSBAND | | Willem Groos | | BIRTH | 13 February 1854 | Molkwerum | | REF # | | 1939; | | MARRIAGE | 8 June 1879 | Hemelum Oldeferd | | FATHER | Georg Karel Ferdinand Groos | | MOTHER | Sybrig Tjemmes ten Dam | | | | WIFE | | Geeske de Jong | | BIRTH | about 1852 | | | REF # | | 1940; | | FATHER | Jan Rienks de Jong | | MOTHER | Albertje Tjeerds Paauw |
| | | CHILDREN | | 1. | Siebe Groos MALE | | | BIRTH | 22 November 1886 | | | DEATH | 6 September 1967 | | | REF # | | 5422; |
| | 2. | Albertje Groos FEMALE | | | BIRTH | 26 April 1895 | | | DEATH | 16 August 1987 | | | REF # | | 5423; |
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