Sylvia Rose Trigger 
| +---John Grieve
| +---Philip Andrew Grieve (ABT 1770-AUG 1853)
| | +---Frances ?
| +---John Grieve (28 OCT 1795-BEF 1881)
| | | +---Hugh Hotten (ABT 1654-SEP 1733)
| | | +---Melchizedek Hotten (ABT 1698-)
| | | | | +---John Oliver (-AUG 1668)
| | | | +---Thamason Oliver (ABT 1666-)
| | | +---Melchizedek Hotten (ABT 1732-FEB 1806)
| | | | | +---Richard Polgrain
| | | | +---Grace Polgrain (ABT 1697-)
| | | | +---Thomasin ?
| | +---Grace Hotten (ABT 1771-NOV 1849)
| | +---Elizabeth Gummow (-MAY 1802)
| +---Andrew Grieve (27 FEB 1838-03 MAR 1911)
| | +---Mary Saunders (ABT 1804-)
+---Harriet Grieve (30 NOV 1874-)
+---Jane Leverton (30 MAR 1842-12 OCT 1921)