I have a photo album belonging to my gg grandmother Celia Rockafellow, init is a photo of a young man ,on back it says Elwood Wisner-- Sam's son, also a photo of a couple, Olivia and A.E. Wisner, my gg grandmother lived in Mt.Morris , Mi between appro. 1853-1897, I have been told that her granddaughter, my grandmotherJessie Hackney, had a sister in law Mary Wisner. Mary had come to U.S. in appro. 1856 w/ her brother Johnson Hackney.