| Name | Role | Place | Source | |
|---|---|---|---|---|
| Jan Ennes Groefsema | Deceased | 1825 | Zevenhuizen | Civil registration deaths |
| Jan Groefsema | Groom | 1947 | Peize | Civil registration marriages |
| Jan Groefsema | Deceased | 1927 | Haren | Civil registration deaths |
| Jan Groefsema | Child | 1916 | Appingedam | Civil registration births |
| Jan Groefsema | Groom | 1942 | Wildervank | Civil registration marriages |
| Jan Groefsema | Child | 1908 | Vierverlaten | Civil registration births |
| Jan Groefsema | Registered | 1916 | Amsterdam | Personal cards |
| Jan Groefsema | Child | 1912 | Farmsum | Civil registration births |
| Jan Groefsema | Opvarende koopvaardij | 's-Gravenhage, Appingedam | Persoonskaart | |
| Jan Johannes Groefsema | Child | 1917 | Oldehove | Civil registration births |
Find your ancestors and publish your family tree on Genealogy Online via https://www.genealogieonline.nl/en/