Adelger von Ilfeld, Graf von Ilfeld, was born in Ilfeld, Nordhausen District, Thuringia, Germany and died 18 February 1158 of unspecified causes. He married Bertrandis (1107-1184) 1127 JL in Ilfeld, Nordhausen District, Thuringia, Germany.
Der erste bekannte Vertreter des Hauses war (Ad)Elger I., Graf von Ilfeld (1128), urkundlich 1103 bis 1128, († 18. November ....); ∞ Bertrada († 12. Oktober ....).
Children
| Name | Birth | Death | Joined with |
| Elger I. von Honstein-Ilfeld (1129-1190) | 1129 Hohnstein, Nordhausen District, Thuringia, Germany | 28 February 1190 Hohnstein, Nordhausen District, Thuringia, Germany | Bertrada von Kirchberg (1154-1198) |
Siblings