I have gone through all of the search results for Frances Pinder and found many of them citing her marriage to Robert Burnham; however, there are also many of those with dates and places which are incompatible with dates and places associated with Robert Burnham of Oyster River.Still, it is an intriguing possibility, since references to Frances Hill as the wife of Robert Burnham also have incompatibilities among them.For now, I am leaving her as Frances -----.
As for Joseph Pinder Burnham, in the UNH archives the name, Joseph Pinder appears in indexes to some deeds.The indexes have no dates or indications for grantor, grantee, or witness. I have nothing to corroborate John and Martha (Berry) Burnham as parents of Joseph.Dover vital records have a child of John Burnham baptized in 1798, age 3 yrs. John and Martha were married in 1796. Shotgun involved?
I find no records for anyone with the Pinder name in Dover or Durham genealogies or vital records. Do you have, or have access to, Vol. I of the Durham NH town history?It has John Pinder buying a home there in 1680 with several generations living there following.The name is also spelled Piner and Pinner.Benjamin Pinder is listed as a soldier from Durham in the Revolutionary War.