William was born in 1656 in Of Yardley Gbn, Potterspury, Northampton, the son of [Mr] Brown and Mrs. Brown.
He had two marriages/partners. His first wife was Ann [un]. They were married, but the date and place have not been found. They had no known children.
His second wife was Susan Toomes, who he married on 22 DEC 1681 in Potterspury, Northampton. Their only known child was Richard (<1683-?).