+--FURBUR ROGERSON  (-1889)
EDNA ROGERSON  (28 AUG 1886-)
|  +--ALFRED THOMAS  (27 JAN 1820-4 AUG 1898)
+--MARGARET THOMAS  (8 FEB 1869-)
   +--MARGARET DUNDAS  (1 JUL 1830-OCT 1903)
      +--MARY DUNDAS-ROBINSON