John was born in 1905, the son of unknown parents. The place is not known.
He died in 1982. The place is not known.
His wife was Jean Clark. They were married, but the date and place have not been found. Their two known children were Jean (1919-?) and John (1944-1998).
!Source: http://www.jaap.fsnet.co.uk/Webnew/Jaapwebnew.html The Jaap family tree. Entries: 2488, Updated: Sun Feb 29 09:17:00 2004, Contact: John Jaap