_John Thackray _+
_William Thackray _|
| |_Mary Pearson __
_Edward Thackray _|
| | _Edward Mann ___
| |_Elizabeth Mann ___|
| |_Ann Jaques ____+
|
|--Elizabeth Thackray
|
| _Thomas Park ___+
| _Thomas Park ______|
| | |_Mary Robinson _
|_Elizabeth Park __|
| _Joseph Hullah _
|_Mary Hullah ______|
|_Mary ____ _____