Het geslacht GRUL
| Derk Johannes GRUL (1903 - 1969) |
Gerhard Adolf FRICKE (1909 - 2008) |
| Cornelia AKKERMAN (1905 - 1991) |
Hanna Wilhelmina BOCKWOLDT (1913 - 2011) |
m. 31 Aug 1963, Towaco, New Jersey, U.S.A.
| Rudolf Johan GRUL | Hanna Lore FRICKE |
| b. 28 Jun 1937, Amsterdam, Noord-Holland, Nederland ch. d. 15 Apr 1994, Atlanta, Georgia, U.S.A., age: 56 bur. occ. Electronic-eng. edu. rel. |
 b. 28 Nov 1939, Eisleben, Duitsland, age: 79ch. d. bur. occ. Office-Repr. edu. rel. |
Children
| Peter Alexander GRUL John Christian GRUL David James GRUL |