(16 DEC 1924-)
| +---S E ? 
+---David John Underwood (08 MAY 1955-)
| | +---William Cochrane (1768-)
| | +---Samuel Cochrane (05 MAR 1795-27 JAN 1861)
| | | +---Jean Gillis
| | +---Thomas Cochrane (18 FEB 1822-10 JUN 1899)
| | | +---Mary Ann Stevenson (1797-BEF 1861)
| | +---Thomas Cochrane (26 JAN 1864-19 OCT 1954)
| | | | +---Thomas Butter (BEF 1764-)
| | | | +---William Butter (06 APR 1794-BEF 1894)
| | | | | +---Margaret Rough (BEF 1765-)
| | | +---Agatha Crokes Butter (13 APR 1823-25 OCT 1888)
| | | +---Helen Soutar (BEF 1802-)
| | +---William Cochrane (30 JAN 1908-)
| | | | +---William Nicolson
| | | | +---John Nicolson
| | | | | +---Margaret Nicolson
| | | | +---William Nicolson (01 OCT 1696-1781)
| | | | | +---Joanna Coke
| | | | +---Joseph Nicolson (20 AUG 1735-)
| | | | | +---Elizabeth Trosse
| | | | +---William Nicolson (30 JUL 1774-)
| | | | | +---Mary Dunsford
| | | | +---William Nicolson (14 AUG 1805-)
| | | | | +---Sarah Hewett
| | | | +---William (Patrick) Nicolson (10 FEB 1835-28 JUL 1898)
| | | | | | +---William Nicolson
| | | | | | +---John Nicolson
| | | | | | | +---Margaret Nicolson
| | | | | | +---William Nicolson (01 OCT 1696-1781)
| | | | | | | +---Joanna Coke
| | | | | | +---Joseph Nicolson (20 AUG 1735-)
| | | | | | | +---Elizabeth Trosse
| | | | | | +---Thomas Nicolson (01 JUL 1773-)
| | | | | | | +---Mary Dunsford
| | | | | +---Martha Nicolson (20 DEC 1803-)
| | | | | +---Esther Birt
| | | +---Lilian Maud Thurston Grove Cowley Nicolson (11 FEB 1870-06 NOV 1941)
| | | | +---William Cowley
| | | +---Ellen Cowley (26 SEP 1826-12 SEP 1913)
| +---Joyce Agnes Cochrane (09 DEC 1933-)
| +---Clara Agnes Wright (22 DEC 1907-28 AUG 1964)
| +---Isabell Crab
Zachary David John Underwood (22 NOV 1984-)
| +---John Leonard Sampey
+---Louise Sampey (04 OCT 1960-)
+---Norma Marion McDonnald