Question: Who is Maria Of Portugal, Marchioness Of Tortosa's paternal grandfather?
Sentence (from "Maria of Portugal, Marchioness of Tortosa"): Maria of Portugal (Évora, Kingdom of Portugal, 6 April 1342 – Aveiro, Kingdom of Portugal, after 1375) was a Portuguese "infanta" (princess), first daughter of King Peter I of Portugal and his Queen consort Constanza Manuel.
Relevant evidence: Yes