Jacob van Wassenaar1250–
- Name
- Jacob van Wassenaar
| Birth | about 1250 |
| Birth of a son #1 | Bartholomeus II van Wassenaar about 1272 (Age 22 years) |
| Death of a paternal grandfather | Dirk I van Wassenaar about 1279 (Age 29 years) |
| Family with parents |
| father |
Bartholomeus I van Wassenaar Birth: 1228 — Voorschoten |
| mother | |
| himself |
Jacob van Wassenaar Birth: about 1250 |
| Family with NN … |
| himself |
Jacob van Wassenaar Birth: about 1250 |
| wife | |
| son |
Bartholomeus II van Wassenaar Birth: about 1272 |