When Ethel married James Farmer Potter he was a widower. His first marriage to Ellen Simons in 1905. He appears as a widower in 1911. On the 1939 appears a son Frank born 1905 from first marriage
Added, also on 1939 appears a daughter Doris born 1908 in towester, looks as though Ellen died in or through childbirth, died aged 30 towester