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Mother of G8 Inés Marcelina Ponce de León Enríquez de Ribera and Ponce de Leon - Aguilar
Not the wife of Gabriel of Lencastre, 7th Duke of Aveiro, who died single, without children.
Ref: https://en.wikipedia.org/wiki/Gabriel_of_Lencastre,_7th_Duke_of_Aveiro