+---Thomas Bone (ABT 1780-JAN 1844)
| +---Rebecca Boney 
+---Robert Bone (ABT 1803-30 JUN 1871)
| | +---William Blackmore
| +---Frances (Fanny) Blackmore (ABT 1781-MAR 1849)
| | +---Peter Birt
| +---Grace Seage Burt (ABT 1755-)
| | +---John Tregenza
| +---Mary Tregenza (ABT 1725-)
| +---Grace Seage
Robert Bone (31 AUG 1829-31 MAR 1899)
+---Mary Richards (BET 1803 AND 1806-03 SEP 1881)