Hi cousin,
My great great grandfather was Nathanial Martin's brother.
I am the director/curator of the Gem County Mausem so even if I weren't related to Squire Martin I would have an interest. This was first called Martinsville. Another cousin and I have been involved in the Martin genealogy so we do have some interesting information. Your grandfather was an interesting man. We are also trying to save his 1878 house - the oldest board/batten in Emmett. Contact me so Phyllis and I will share with you.