- Partnership with: Lydia SWAN
Marriage: (Date and Place unknown)
- Child: Harriett BLACKWELL Birth: (Date and Place unknown)
- Child: John BLACKWELL Birth: 1860, Ashdon, Essex, England
- Child: Jane BLACKWELL Birth: 1862, Hadstock, Essex, England
- Child: Elijah BLACKWELL Birth: 1864, Ashdon, Essex, England
- Child: Lucy BLACKWELL Birth: 1868, Ashdon, Essex, England
- Child: William BLACKWELL Birth: 1870, Ashdon, Essex, England
- Partnership with: Martha Kezia EVERARD
Marriage: 18 JUN 1886, Queensland
Ancestors of Peter BLACKWELL
/-Thomas BLACKWELL
Peter BLACKWELL
| /-Samuel CORNELL
| /-John CORNELL
| | \-Anne CORNELL
| /-John CORNELL
| | \-Ann GOWERS
| /-John CORNELL
| | | /-Radcliffe SMOOTHY
| | \-Mary SMOOTHY
| | \-Martha POULTER
| /-John CORNELL
| | | /-Thomas MYNOTT
| | \-Elizabeth MYNOTT
| | \-Elizabeth FULCHER
\-Lydia CORNELL
| /-Thomas MYNOTT
\-Ann MYNOTT
\-Lydia WILKIN
Descendants of Peter BLACKWELL
1 Peter BLACKWELL
=Lydia SWAN
2 Harriett BLACKWELL
2 John BLACKWELL
2 Jane BLACKWELL
2 Elijah BLACKWELL
2 Lucy BLACKWELL
2 William BLACKWELL
=Martha Kezia EVERARD Marriage: 18 JUN 1886, Queensland