Details of Leslie's birth are not known.

Leslie married Valerie Swires-Hennessy in 1971.

He had the following children from his marriage to Valerie Swires-Hennessy:

- Christopher Robert Heyes	born in 1972 (date suppressed).
- Simon Andrew Heyes	born in 1974 (date suppressed).

Details of Leslie's occupation are not known.

Notes - Sources of information:

1.	Information provided by Edward Swires-Hennessy.