Biography
Heinrich XI. von Honstein-Klettenberg was born circa 1402 to Ernst I. von Honstein-Klettenberg (c1373-1426) and Anna zu Stolberg (c1377-1436) and died 1454 of unspecified causes. He married Margareta von Waldeck-Landau (c1403-bef1464) 7 September 1424 JL .
Children
| Name | Birth | Death | Joined with |
| Ernst IV. von Honstein-Klettenberg (c1430-1508) | 1430 | 1508 | Margarethe von Gera (c1444-bef1497) Felicitas von Beichlingen (c1468-) |