I can give you info on the Vanniers. My husband is Laurence Scott Vannier. His GG grandmother was Nannie Sturm. My email is email@example.com
As far as I know Sun wits father or grandfather was Chief Amos Longhat. The Vannier that married Nannie was Carl H F Vannier. Thier son was Lawrence Carl Vannier. His son was Fred Lacarl Vannier and his son is Laurence Scott Vannier.