+---Leonard Francis Alston
| | +---Robert Brown
| +---Edith Emily Brown 
| +---Maria Elizabeth Terry (ABT 1846-)
Gail Alston
+---Joan Littlechild
+---Leonard Francis Alston
| | +---Robert Brown
| +---Edith Emily Brown
| +---Maria Elizabeth Terry (ABT 1846-)
Gail Alston
+---Joan Littlechild