(12 MAR 1939-)
Ian Porter (02 MAR 1963-)
| +---Thomas Houston
| +---John Houston
| +---Thomas Huston
| | +---Mary Wilson 
| +---Robert Wilson Huston (21 NOV 1878-25 AUG 1952)
| | +---Anne McCrea
+---Annie (Ann) Evangeline Huston (04 APR 1935-)
| +---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)