(23 OCT 1858-16 JAN 1936)
William Nicolson Clement (10 MAR 1887-24 JUN 1969)
| +---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
+---Ellen Thurston Grove Cowley Nicolson (27 DEC 1858-APR 1925)
| +---William Cowley
+---Ellen Cowley (26 SEP 1826-12 SEP 1913)