Baukje Koning1854–
- Name
- Baukje Koning
| Birth | estimated a gap of 25 years about 1854 |
| Birth of a daughter #1 | Aaltje Holtrop about 1879 (Age 25 years) |
| Family with Johannes Holtrop |
| husband |
Johannes Holtrop Birth: estimated as equal to wife's birth year — about 1854 |
| herself |
Baukje Koning Birth: estimated a gap of 25 years — about 1854 |
| daughter |
Aaltje Holtrop Birth: about 1879 25 25 — Vledder, Drente, The Netherlands |