Robert Spedding
| +---John Bowman
| +---Constantine Bowman (ABT 1829-16 SEP 1909)
| +---John Henry Bowman (22 NOV 1854-13 JUN 1918)
| | | +---John Popham
| | +---Ann Popham 
(ABT 1830-22 JUN 1861)
| +---John Henry Bowman (03 SEP 1884-)
| | +---Margaret Simpson Kay (04 JAN 1860-14 MAY 1918)
+---Betty Joyce Bowman
+---Catherine Eva Bock