1920 census may help clarify the relationship. Alexander had a dtr. Allian possibly Lillian Alexander Ellerz [Alexander Ellery] Rockland, Plymouth, Massachusetts abt 1870 Massachusetts White Mary A Ellerz [Mary A Ellery] Rockland, Plymouth, Massachusetts abt 1891 Massachusetts White Allian Ellerz [Allian Ellery] Rockland, Plymouth, Massachusetts abt 1912 Massachusetts White Ralph Ellerz [Ralph Ellery] Rockland, Plymouth, Massachusetts abt 1906 Massachusetts White