Duke married Maria HOHENSTAUFENS, Of Germany before 22 Aug 1215. Maria (daughter of Holy Roman Emperor Phillipp HOHENSTAUFENS and Irene Or Irini Marie ANGELUS, Of Bryzantium) was born in 1201 in Constantinople, Turkey; died in 1235. [Group Sheet] [Family Chart]
Duke married Matilda Or Maud D'ALSACE, Of Boulogne. Matilda was born about 1163 in Boulogne, Pas-DE-Calais, France; died in 1211. [Group Sheet] [Family Chart]
Holy married Irene Or Irini Marie ANGELUS, Of Bryzantium on 25 May 1197. Irene was born in 1184 in Constantinople, Turkey; died on 27 Aug 1208. [Group Sheet] [Family Chart]