Question: Who is the paternal grandmother of Sancha, Lady Of Alenquer?
Sentence (from "Sancha, Lady of Alenquer"): Sancha of Portugal (1180 in Coimbra – 13 March 1229 in Celas Monastery), was a Portuguese "infanta", second daughter of King Sancho I of Portugal and Dulce of Aragon.
Relevant evidence: Yes