William was the son of William Portanova and Dorothy Blinkhorm. The date and place of his birth have not been found.
His wife was Barbara Brown, who he married on ABT 1960. The place has not been found. They had no known children.
William Portanova Jr.
William Portanova (c1905-?)
Leonard Portanova (c1870-?)
Madelena Lotrecchiano (c1870-?)
Michele Lotrecchiano (c1840-?)
Mariantonia Benedetto (c1840-?)
Dorothy Blinkhorm (c1905-?)