He is my 7th great grandfather. For autosomal tests, my father Gerald appears on his profile as a possible match as well as several other. If you have an autosomal test for any male in the family, you can run it through a clade finder to get a prediction for a Haplogroup. You will find a Fitch study here and although there are not a lot of people there, if it is an R-M269, maybe not so helpful as it is very common - but should it be a T as some are here that would help narrow things down