His father Harry COLLETT was in the Royal Engineers, records on FindMyPast.
Fredrick died 1915
Name: Frederick Victor Collett
Birth Place: Valetta, Malta
Death Date: 10 Jun 1915
Death Location: France & Flanders
Enlistment Location: Windsor, Berks
Rank: Private
Regiment: Duke of Cornwall's Light Infantry
Battalion: 2nd Battalion
Number: 20160
Type of Casualty: Died of wounds
Theatre of War: Western European Theatre
Comments: Formerly 9461, R. Warwick Regt
Jebber