| Male Johan van Loon Heinsberg |
| Birth | Abt 1360 | |
| Death | 24 Jun 1438 | |
| Burial | ||
| Marriage | 4 Dec 1423 | |
| Father | Godfried van Loon Heinsberg | F2470 Group Sheet | |
| Mother | Philippa van Gulik | F2470 Group Sheet | |
| Female + Maria van Loon Heinsberg |
| Birth | Abt 1424 | |
| Death | 20 Apr 1502 | Breda |
| Burial | Breda |
|
| Spouse | Jan van Nassau Dillenburg | F2633 | |
| Marriage | 7 Feb 1440 | |