Mendo Afonso De Brito

Mendo Afonso De's father was Martim Mendes De Brito and his mother was Urraca Mendes De Arois.  His paternal grandparents were Pedro De Brito and Olalha (Eulalia) Mendes; his maternal grandfather was Mendo Afonso De Arois.  He was an only child.

They had a son named Afonso Mendes De.