Philip R. Martin is the son of John K. Martin and Patricia Mary Phillips.

Philip was born in 1959 (date suppressed) in Southam.

Philip married Penelope J. (Penny) Hillard on Saturday 5 July 1980 in Yeovil, Dorset.

He had the following children from his marriage to Penelope J. (Penny) Hillard:

- Emily Jayne Martin	born in 1982 (date suppressed) at Cheltenham, Gloucestershire.
- Rebecca Louise Martin	born in 1984 (date suppressed) at Cheltenham, Gloucestershire.
- Lucy Elizabeth Martin	born in 1987 (date suppressed) at Cheltenham, Gloucestershire.
- Jessica Katherine Martin	born in 1991 (date suppressed) at Hatfield, Hertfordshire.

Details of Philip's occupation are not known.