John Peter Lavender is the son of John Herbert (Jack) Lavender and Alice Maud Jeffries.

Peter was born in 1926 (date suppressed)

Peter married Josephine Cook on Saturday 9 May 1970 in St Andrew's Church, Alfriston, Sussex.

He had the following children from his marriage to Josephine Cook:

- Alice Kate Lavender	born in 1971 (date suppressed).
- Sally Jane Lavender	born in 1972 (date suppressed).
- Thomas Jack Lavender	born in 1976 (date suppressed).
- John Samuel (Jack) Lavender	born in 1979 (date suppressed).

Peter was a Professor.