/-Eric Etienne Besson O'DONOVAN
David Besson O'DONOVAN
| /-John RETALLACK
| /-Charles RETALLACK
| | | /-John RASHLEIGH
| | | /-John RASHLEIGH
| | | | \-Margaret ALLEN
| | \-Caroline RASHLEIGH
| | \-Phillis SYMONS
\-Ruby Caroline RETALLACK
\-Margaret Jane DOBBIN
1 David Besson O'DONOVAN
= DONALDSON
2 Christopher David O'DONOVAN