Pedigree

            /Alfonso II Portugal
        /Alfonso III Portugal
       |    \Uracca Castilla
    /Dinis Portugal
   |   |    /Alfonso X Castilla
   |    \Beatriz Castilla
   |        \Maria De GUZMAN GUILLEN
Alfonso IV Portugal
   |        /Jaime I Aragon
   |    /Pedro III Aragon
   |   |    \Iolande Hungary
    \Isabel Princess of Aragon
       |    /King of Sicily Manfredo
        \Costanza Sicily
            \Beatrice of SAVOY

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