| Name | Johanna Catharina HARTMAN |
| Birth | 2 Jun 1962, Beverwijk, Noord-Holland, Nederland |
| Occupation | Onderwijzeres |
| Father | Henry Marinus HARTMAN (1926-1980) |
| Mother | Maria Catharina Elizabeth van HUIS (1923-1984) |
| 1 | Johannes GRUL |
| Birth | 14 Feb 1961, Apeldoorn, Gelderland, Nederland |
| Occupation | Prod.-specialist |
| Father | Jan Willem GRUL (1932-) |
| Mother | Hermine Agnes WILTS (1934-) |
| Marriage | 6 Jul 1984, Haarlem, Noord-Holland, Nederland |
| Children | Martijn Johannes (1994-) |
| Maria Catharina Elisabeth (1997-) |