Jan Johannes Gastma–
- Name
- Jan Johannes Gastma
- Given names
- Jan Johannes
- Surname
- Gastma
| Birth | yes |
| Birth of a daughter #1 | Sytske Gastma April 2, 1820 |
| Birth of a grandson #1 | Jan Spoelstra October 1, 1854 |
| Death of a daughter | Sytske Gastma February 2, 1869 Age: 48 |
| Death | yes |
| Family with Pietje Jans Wadman |
| himself |
Jan Johannes Gastma Birth: Death: |
| wife |
Pietje Jans Wadman Birth: Death: |
| daughter |
Sytske Gastma Birth: April 2, 1820 — Oudwoude, Kollumerland en Nieuwkruisland, Friesland, Nederland Death: February 2, 1869 — Westergeest, Kollumerland en Nieuwkruisland, Friesland, Nederland |