Albrecht married Margareta von Hohenstaufen Abt 1255. Margareta (daughter of Friedrich II von Hohenstaufen Kaiser der Römisches Reich and Isabelle Plantagenêt of England) was born 1237; died 8 Aug 1270. [Group Sheet]
Agnes married Heinrich Welf 1282. Heinrich (son of Albrecht Welf and Alessina de Montferrat) was born 1267; died 1322. [Group Sheet]
Heinrich married Helvis d'Ibelin 23 Aug 1330. Helvis (daughter of Philippe d'Ibelin and Marie Embriaco) was born 1307; died 27 May 1347. [Group Sheet]
Philipp married Helvis de Dampierre Abt 1353. Helvis (daughter of Eudes de Dampierre and Isabeau de Lusignan) was born Abt 1325. [Group Sheet]