Details of Dudley's birth are not known.

Dudley married Ann V Turnor in 1965 in Bournemouth, Dorset.

He had the following children from his marriage to Ann V Turnor:

- Helen Ann King	born in 1966 at Bournemouth, Dorset.
- Dawn Carol King	born in 1970 at Bournemouth, Dorset.
- Jason Mark King	born in 1972 at Bournemouth, Dorset.

Details of Dudley's occupation are not known.