Mis-filed in the WW1 Service Records (WO 363):

Thomas SOMERVILLE, enlisted Dec 1915 declared age 35y 11m, Royal Fusiliers (Pte 5265).
Home address: Pathhead Ford, Midlothian. Gamekeeper.
Married 1906 at Galashiels: Catherine SHERRIDEN.
Children: Thomas 1906 & Margaret 1910.

Anc****y, CLA, pages 109211-109212 & 109215-109216