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Male Juan De Castilla Click to view Juan De Castilla in the family tree

Juan De was born before April 1264 in Seville, Spain.  Juan De's father was Afonso X De+ Castilla and his mother was Violante D'+ Aragon.  His paternal grandparents were Fernando III De+ Castilla and Elisabeth Von+ Hohenstaufen; his maternal grandparents were Jaime I D'+ Aragon and Yolande+ Arpad. He had three brothers and two sisters, named Fernando De La, Sancho IV De+, Pedro De, Beatriz De and Violante De.  He was the youngest of the six children. He had two half-sisters named Beatriz De+ and Urraca Alonso De.  He died  due to being killed. on June 25th, 1319 in Vega de Granada, Granada.


Juan De's family with Isabelle Di Montferrato

They had a son named Afonso De.


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