+---Colin McLellan
| | +---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
| | +---Alexander (Alex) Riddle (30 AUG 1886-)
| | | | +---Andrew Stevens
| | | +---Marian Campbell Stevens (04 JUN 1852-16 AUG 1922)
| | | +---Marianne Campbell
| +---Dora Riddle
| +---A Collett
Colin McLellan