Looking for Information on Joseph Leyson and Ruth Llewellyn

Joseph Leyson born about 1848, Monmouth, Monmouthshire Wales, died Broken Hill NSW about 1938. Was married to Ruth Llewellyn born about 1850, died 1920. They had 9 possibly 10 children: John, Daniel, Annie (my great-grandmother) born 1874, Joseph jnr born 1877, Jane, sofia, Arthur, Mirriam, Alice and Ada. Unsure of birth dates of children. Joseph and Ruth lived in Burra South Australia at the time of Jane's birth (1869) who maybe the eldest child.