Jesse Charles Mardling was born in Handside, Hatfield, Herts in 1882 to George and Jane Mardling. On the 1901 Census the family were living at Handside, Hatfield, Herts where his father was a horse keeper on a farm. He married Florence Adams in 1906. By 1911 Jesse and Florence were living at Handside, Hatfield, Herts with his widowed father and he was working as a Cowman on a farm. They had no children. Said to have lived in Little Green, Ayot St Peter, Herts on enlistment.