Gezin: Douma, Ruurd / Wieringa, Anna (F834)
Douma, Jan Ruurds Viëtor (1861-1935) 
|
 | Faber, Lolkje Jacobs (1869-1966)
|
| Douma, Jitske (1890- ) |
| Douma, Jacob (1893- ) |
Douma, Fokje (1895-1953)  |
| Douma, Eeltje (1897- ) |
| Douma, Pietje (1901- ) |
 | Douma, Ruurd (1891-1962)
|
 | Wieringa, Anna (1896-1990) |
 | Douma, Jan (1916- ) |
 | Douma, Trijntje (1918- ) |
| Douma, Lolkje (1920- ) |
| Douma, Gerlof (1922- ) |
| Douma, Jitske (1923- ) |
| Douma, Sijtske (1924- ) |
| Douma, Jetske (1927- ) |
| Douma, Jacob (1930- ) |
| Douma, Fokje (1931- ) |
| Douma, Levenloos kind (1937-1937) |
| Douma, Ruurd (1937- ) |
