__
__|__
_Benjamin Clark _|
| | __
| |__|__
_Joseph Clark _|
| | __
| | __|__
| |_Mary ____ ______|
| | __
| |__|__
|
|--Joseph Clark
|
| __
| __|__
| _________________|
| | | __
| | |__|__
|_Mary Shaw ____|
| __
| __|__
|_________________|
| __
|__|__