Berenguela - Princess of Castile & Leon b: abt 1198
Emperor Jean de Brienne  - Count of Brienne - Emperor of the Byzantium Empire & Crusader King of Jerusalem (He was also a Count) b: abt 1195  in Acre, Palestine & Berenguela - Princess of Castile & Leon b: abt 1198 in Leon, Spain.
daughter of:   Generation 31
Fernando III - King of Castile & LeónBeatrice (Elizabeth)  von Hohenstauffen b abt 1202
daughter of:
Emperor Philip Hohenstaufen of Swabia - Emperor of the Holy Roman EmpireIrene Angela - Princess of Byzantium
son of: 
Emperor Frederick 'Barbarossa' Emperor of the West - (Holy Roman Empire) & Countess Beatrix of Burgundy  
Emperor Frederick I Barbarossa
son of:  
Frederick II Hohenstaufen - Duke of SwabiaJudith - Princess of Bavaria - (1103-1125)
son of:  
Frederick von Hohenstaufen - Duke of Swabia b: abt 1050 & Agnes - Princess of Germany b: 1074
son of:
Frederick van Büren died: 1094 &  Hildegarde of Swabia - daughter of:  Otto II of Swabia - Duke of Swabia  
son of:
Frederick