Hi Karen,
How's your research going ? Have you managed to get further back than John and Elizabeth in 1791 yet ?
I have a hypothesis that John's parents were John (b. 1762) and Elizabeth (b.1762) SEAMER/SEYMER, but am still looking to confirm this. IF it is true, then I think they may have had another son - James (b.1804) who went on to marry Jane GOVER.
Any further info on this would be very interesting.
Sadly I still haven't linked this line to my own ... although I'm please that the Yorks line to which your family belong is now firmly routed in Dorset; which puts us in the same vicinity !
Best wishes,
Paul