do 12. generácie
0━┳▷
Robert Robertson † &1877 Mary Ann Scutt 1842-1915
┣━1──
Maude Lillian Robertson † &1897 Charles B. Lenhart †
┣━2──
Hattie May Robertson † &1902 Albert Gitzlaff †
┗━3──▶
Adeline Robertson † &1904 Frank L. Hamath †
Spolu: 3 potomkovia (8 osoby s [spouses])