John Dudley Waltho is the son of Alan James Waltho and Hilda Mary (Paddy) Adams.

John was born in 1940 (date suppressed)

John married Mina Darugar on Monday 28 December 1970.

He had the following children from his marriage to Mina Darugar:

- Leila Maria Waltho	born in 1972 (date suppressed).
- Paul James Hustang Waltho	born in 1977 (date suppressed).

Details of John's occupation are not known.