Margarete von Altena-Mark was born on an unknown date to Adolf II. von der Mark (-1347) and Margarete von Kleve (c1312-1341) and died circa 1405 of unspecified causes. She married Johann I von Nassau-Dillenburg (c1339-1416) 1357 JL .
Siblings
| Name | Birth | Death | Joined with |
| Engelbert II. von der Mark (1333-1391) | |||
| Margarete von der Mark (?-c1405) | 1405 | Johann I von Nassau-Dillenburg (c1339-1416) | |
| Mechthild von der Mark (?-?) | |||
| Eberhard von der Mark (?-?) | |||
| Adolf III. von der Mark (?-1394) | 1334 | 7 September 1394 Cleves | Margarete von Jülich (-1425) |
| Dietrich I. von Mark-Dinslaken-Duisburg (?-1406) | |||
Children
| Name | Birth | Death | Joined with |
| Adolf von Nassau-Dillenburg (1362-1420) | 1362 | 12 June 1420 | Judith von Dietz Kunigunde von Limburg |
| Johann von Nassau-Dillenburg (-1448) | |||
| Engelbert I. von Nassau-Dillenburg (1375-1442) | 1370 Dillenburg, Germany | 3 May 1442 Breda, Netherlands | Johanna van Polanen (1392-1445) |
| Johann von Nassau-Dillenburg (1398-1433) | |||
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Footnotes (including sources)
| ‡ General |
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