Michael Collins (09 DEC 1975-)
| +---Thomas Martyn (BEF 1674-)
| +---Philip Martyn (1702-)
| | +---Mary Congdon 
| +---Robert Martyn (1733-)
| | +---Elizabeth ?
| +---Philip Martyn (1766-)
| | +---Elizabeth Webb
| +---Robert Martyn (1798-)
| | +---Mary Ann Warwick
| +---John Martyn (19 FEB 1826-30 MAR 1893)
| | +---Elizabeth Nicholls (1791-)
| +---Philip Martyn (06 FEB 1855-06 AUG 1925)
| | +---Fanny Grigg (ABT 1827-)
| +---Joseph Martyn (26 OCT 1892-APR 1939)
| | | +---William McCorkindale
| | +---Mary McCorkindale (31 MAY 1859-1938)
| | +---Margaret Sheddan
| +---Joseph Ronald Martyn (09 JUN 1914-29 JAN 1974)
| | | +---Robert Jackson
| | +---Florence Nightingale Jackson (10 APR 1887-31 AUG 1973)
| | +---Mary Clunie
+---Mavis Martyn (18 AUG 1947-)
+---Isabel Bain