Biography
Gonçalo was the son of Mem Viegas de Sousa and Teresa Fernandes de Marnel. His wife was Urraca Sanches de Celanova, daughter of Sancho Nunes de Barbosa and Sancha Henriques (daughter ofReferences
{{Reflist {{DEFAULTSORT:Goncalo Mendes de Sousa 1120 births 1190 deaths 12th-century Portuguese people Medieval Portuguese nobility Portuguese Roman Catholics {{Europe-noble-stub