Families of William and John STUART circa 1912

William STUART (born 1880) and John STUART (born 1882), brothers, with their respective families. The date is probably 1912.
Front, left to right: William, William's wife Isabella Glendenning Stuart, John's wife Mary Higgins Stuart, and John. Standing row 1: William's daughter (possibly named Ruby). Standing row 2: John's identical twin sons, William and Charles.