(27 MAR 1925-)
+---Samuel David Erskine (11 JUL 1962-)
| | +---Thomas Houston
| | +---John Houston
| | +---Thomas Huston
| | | +---Mary Wilson 
| | +---Robert Wilson Huston (21 NOV 1878-25 AUG 1952)
| | | +---Anne McCrea
| +---Muriel Frances Huston (18 JUL 1933-)
| | +---Samuel King (ABT 1804-22 APR 1884)
| | +---Samuel King (27 MAR 1842-31 JUL 1916)
| | | +---Mary Gordon (ABT 1802-09 JAN 1875)
| +---Mary Elizabeth King (28 FEB 1897-22 DEC 1980)
| | +---John Sproule
| +---Mary Jane Sproule (1853-01 APR 1921)
Robert Erskine (23 MAY 1996-)
+---Janice Steele (14 JUN 1957-)