Family Group Sheet| FATHER | | Roelof Harmens Slump | | BIRTH | 1779 | | | DEATH | 23 August 1850 | | | FATHER | Harmen Pieters Slump | | MOTHER | Corneliske Roelofs (Katens) Kunst | | | | MOTHER | | Ruretje (Roelofje) Jans Koopman |
| | | CHILDREN | | 1. | Jan Roelofs Slump MALE | | | BIRTH | 1815 | Oosterzee | | MARRIAGE | 1 September 1839 | Johanna Maria Melis; |
|
