Isaac, Ruth's father, was lodging with James and Ruth Knowles in 1891
James's father was Jacob, and both were quarrymen.
In 1875 (just before she married), James Knowls and Ruth Mather were witness to her brother John's marriage to Mary Jane Miller. James was also witness to Ruth's half-brother William Mather's marriage the same year.
27 Mar 1876 Ruth Mather married James Knowles.
In 1881, James and Ruth Knowles (both 26) were with Isaac and his third wife Isabella (67 & 66). Also siblings and step-siblings of Ruth were Alice, Andrew, Sarah Jane, Esther; and their son James Knowles (1 mon).