Martim Vasques Da Cunha 
Martim Vasques Da was born about 1286. Martim Vasques Da's father was Vasco Martins Da+ Cunha and his mother was Senhorinha Fernandes+ Chancinho. His paternal grandfather was Martim Vasques Da+ Cunha and his paternal grandmother is Joana Roiz De+ Nomaes. He had a sister named Thereza Vasques Da+. He was the younger of the two children. He died on October 24th, 1333.General Notes
SOURCES: "Ancestors/Descendants of Afonso V 'The Noble'" http://www.geneastar.org,
They had a son named Vasco Martins Da.