+---Dalgety Knight
| | +---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
| +---Amy Riddle (22 OCT 1887-)
| | +---Andrew Stevens
| +---Marian Campbell Stevens (04 JUN 1852-16 AUG 1922)
| +---Marianne Campbell
Nicholas Knight