William was born in 1771 and his baptism took place on August 18th, 1771 in Dorking, Surrey, Eng.. William's father is Richard BRIGGS and his mother is Sarah TURNER. His paternal grandparents are John BRIGGS and Mary RIDGE. He had two brothers and two sisters, named John, Richard, Sarah and Elizabeth. He was the youngest of the five children. He was buried on September 18th, 1771.