Complex sentence: The Madre Deus Chapel was built, possibly, before 1521 by nobleman João Gomes Gaio, father of the knight João Martins Gaio, related with the maritime trade of Vila do Conde, he lived in Póvoa civic center because in there he could easily recruit men.
Split into simpler sentences: The Madre Deus Chapel was built, possibly before 1521, by nobleman João Gomes Gaio, father of the knight João Martins Gaio, related with the maritime trade of Vila do Conde. He lived in Póvoa civic center because there he could easily recruit men.