Kathleen Brydon 
| +---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
+---Audrey Riddle
+---A Collett