Biography
Helene von Kleve was born 18 August 1423 to Adolf IV. von der Mark (1373-1448) and Marie of Burgundy (1393-1463) and died 3 July 1471 of unspecified causes. She married Heinrich II. von Braunschweig-Wolfenbüttel (1411-1473) 12 February 1436 JL .
Children
| Name | Birth | Death | Joined with |
| Margarete von Braunschweig-Wolfenbüttel (1451-1509) | July 1451 Wolfenbüttel | 13 February 1509 Mainberg | Wilhelm III. von Henneberg-Schleusingen (1434-1480) |