| Name | Role | Place | Source | |
|---|---|---|---|---|
| Adolf Isidoor Lodewijk Keyen | Witness | 1910 | Laken | Civil registration marriages |
| Lodewijk Hendrik Leopold Keyen | Child | 1919 | Tienen | Civil registration births |
| Lodewijk Keyen | Father | 1919 | Tienen | Civil registration births |
| Lodewijk Keyen | Witness | 1922 | Tienen | Civil registration marriages |
Find your ancestors and publish your family tree on Genealogy Online via https://www.genealogieonline.nl/en/