| Douwe Hoornstra (1906 - 2001) |
|
| Joukje Wagenaar (1903 - 1993) |
| Ruurd Hoornstra | (Confidential, Female) |
| b. 26 Jan 1932 d. 4 Oct 1996 bur. occ. edu. rel. |
b. d. bur. occ. edu. rel. |
| (Confidential, Female) (Confidential, Female) (Confidential, Female) |