(20 SEP 1870-)
Gregory Stuart Arthur (1915-)
| +---Robert Park (BEF 1716-)
| +---Robert Park (18 JUN 1745-)
| | +---Elizabeth Freeland 
(BEF 1720-)
| +---John Park (ABT 1771-)
| | +---Margrat Willson (BEF 1749-)
| +---Matthew Park (16 AUG 1800-)
| | +---Elizabeth McNair (BEF 1775-)
| +---Gavin McIntyre Park (07 NOV 1823-04 SEP 1903)
| | | +---Archibald McIntyre
| | +---Elizabeth McIntyre (10 MAY 1799-1883)
| | +---Jean Robertson
| +---Robert Stewart Park (1849-17 APR 1921)
| | +---Grace Jane (Jean) Stobie (1826-24 OCT 1894)
+---Grace Jane Park (1877-1961)
+---Clara Hannah Hutton (1852-)