__
_Philip Duffield ____|__
_William Duffield _|
| | __
| |_Margaret Armstrong _|__
_Armstrong Duffield _|
| | __
| | _____________________|__
| |_Elizabeth Hassan _|
| | __
| |_____________________|__
|
|--William Duffield
|
| __
| _____________________|__
| ___________________|
| | | __
| | |_____________________|__
|_Elizabeth Gilmore __|
| __
| _____________________|__
|___________________|
| __
|_____________________|__