Details of Mark's birth are not known.

Mark married Tracey Susan Collinson

Details of Mark's marriage are not known.

He had the following children from his marriage to Tracey Susan Collinson:

- Jack William Greenberg	born in 1999 (date suppressed).
- Henry Joseph Lloyd Greenberg	born in 2002 (date suppressed).

Details of Mark's occupation are not known.

Notes - Sources of information:

1.	Information supplied by Stephen Collinson.