This man fell off a railway bridge at the age of 7y and sustained a head injury which caused mental difficulties and confusion - a confusion that has extended into his WW1 Service Records (WO 363). Dates are all over the place!

Born 6 June 1895 (Oxford) - EDWIN William Albert A CLARK (Parents: Edwin & Victoria Elizabeth)
Married 31 March 1914 (Oxford) - EDWARD W A A CLARKE (Wife: Lilian Harriet HUNT)
Children (all CLARKE) - Lilian Victoria 1914; Edwin Albert 1916

Joined the Ox & Bucks in February 1915 (Pte 4222) - EDWIN ALBERT WILLIAM;
Transferred to RAMC (Pte 446186).
Recommended for discharge in July 1917, granted in September 1917 but not activated - he was finally discharged in 1919.

Anc****y, CLA, pages 118044 to 118087