Gertrude married King of Hungary Andrew (Andreas) Arpad, II in 1203. Andrew (son of King of Hungary III Bela and Agnes de Chatillon) was born in 1176 in Esztergom, Komarom-Esztergom, Hungary; died on 21 Sep 1235. [Group Sheet] [Family Chart]
Family/Spouse: Princess of Byzantium Maria Laskarina. Maria was born in 1206 in Nicaea, Bursa, Turkey; died in 1270. [Group Sheet] [Family Chart]
Family/Spouse: Princess of Cumania Elizabeth (Erzsebet). Elizabeth (daughter of Prince of the Cumens Kuthen and Princess of Galicia Mstislavna) was born in 1240; died in 1292. [Group Sheet] [Family Chart]
Maria married King of Naples Charles II "The Lame" d'Anjou about 1270. Charles (son of Count of Anjou Charles I d'Anjou and Beatrice Berenguer) was born in 1254; died on 5 May 1309 in Naples, Italy. [Group Sheet] [Family Chart]