| Roelof Christiaan Idskes (1969 - 1936) |
|
| Agnes Gesina Mekel (1868 - 1956) |
| Rudolph Lambertus Wilbrink | Grietje Idskes |
| *. Martenhoek ? †. [ ]. ber. opl. gd. |
*. 8 apr 1899, Groningen †. [ ]. ber. opl. gd. |
| Agnes Gesina Wilbrink Christina Elisabeth Wilbrink |