Demetri was born Birmingham in 1964 and schooled there and in Uganda and London, Burlington Danes. After various employments he trained and qualified as a professional diver. He ran a diving school called Aquasplash for 5 years 1994-1999. Demetri is now a property developer with Whitestone Homes.

Julia is a senior midwife at St. Peter's Hospital Chertsey and now a maternity matters programme facilitator with the Strategic health authority.

Sources: Lidderdale, Halliday Adair, The Descendants of John Lidderdale 1783-1845, 1988 unpublished manuscript; personal communication from Julia Lidderdale.