Het geslacht GRUL
| Rudolf Johan GRUL (1937 - 1994) |
|
| Hanna Lore FRICKE (1939 - ) |
| Peter Alexander GRUL |
 b. 28 Oct 1967, Livingston, New Jersey, USA, age: 51ch. d. bur. occ. Aerospace eng. edu. rel. |
| Rudolf Johan GRUL (1937 - 1994) |
|
| Hanna Lore FRICKE (1939 - ) |
| Peter Alexander GRUL |
| b. 28 Oct 1967, Livingston, New Jersey, USA, age: 51 ch. d. bur. occ. Aerospace eng. edu. rel. |