Looking for Lewis Frank Jesse Jack

LEWIS. FRANK. I can't find his death reg anywhere. Formerly of LEFROY EASTERN SIDE OF TAMAR RIVER,TASMANIA.Frank was a soldier of the great war. His wife was a war bride from LONDON. her name was LILY LUISA DAVIS. FRANKS Mother was JESSE LEWIS.( nee warren ) FRANKS Father was JACK LEWIS.FRANK IS BURIED AT LEFROY, TASMANIA. LILY LEWIS is buried at BEACONSFIELD, TASMANIA. The only record about JACK was on 1913 Electrol Roll and on franks Army consent form, 1916.