(01 JAN 1985-)
| +---James Riddell (14 NOV 1804-15 FEB 1892)
| +---Walter Riddle (ABT AUG 1835-30 MAY 1914)
| | | +---Andrew Goodall (-BEF 1869)
| | +---Jane Goodall 
(ABT 1805-09 AUG 1869)
| | +---Janet Donaldson
| +---Stevens (Steve) Riddle (01 JAN 1878-)
| | | +---Andrew Stevens
| | +---Marian Campbell Stevens (04 JUN 1852-16 AUG 1922)
| | +---Marianne Campbell
| +---Allen Hugh Riddell (1908-15 APR 1973)
| | | +---John Bowman
| | | +---Constantine Bowman (ABT 1829-16 SEP 1909)
| | | +---William Bowman (02 DEC 1857-)
| | | | | +---John Popham
| | | | +---Ann Popham (ABT 1830-22 JUN 1861)
| | +---Madeline (Madge) Bowman (1889-1909)
| | +---Margaret Muir Fitzgerald (03 NOV 1859-)
| +---Robert (Bob) Hugh Riddell (18 MAY-)
| | +---Norah Sarah Jane Dixon (17 APR 1910-16 MAR 1996)
+---Anne Marie Riddell (14 SEP 1962-)
+---Mary Ann ?