Pedigree Tree:
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Ekaterini Komnene Dukaina Siblings King Alfonso X De Castilla y León Fernando Fernandez Prince Castile & Leon Enrqiue Fernandez Prince Castile & Leon Felipe Fernandez Prince Castile & Leon Leonor Fernandez Princess Castile & Leon Sancho Fernandez Prince Castile & Leon Manuel Fernandez Prince Castile & Leon Berenguela Fernandez Princess Castile & Leon Maria Fernandez Princess Castile & Leon |