William Charles Rees is the son of William Maurice Rees and Constance Annie MacDuff Adams.

William was born on Friday 7 March 1924 in West Bromwich, Staffordshire.

William married Doris Adams Cook in 1951 in Wolverhampton, Staffordshire.

He had the following children from his marriage to Doris Adams Cook:

- Katherine Alison Rees

born in 1963 in Dudley, Worcestershire.

Details of William's occupation are not known.