Margaret ANGUISH was born 22 Mar 1842 in North Cayuga Twsp. Haldimand County, Ontario. She married Benjamin Ullman 11 October 1858 in Haldimand County. She Died 6 Jan 1905 in Rainham, Haldimand, Ontario, Canada.
Margaret's Parents: Father, Lewis Anguish, Born in Tonawanda, New York, USA on 20 Apr 1794. Mother,Margaret Decou born in 1805 in Upper Canada.
Family rumor has it that one of these ancestors was a member of the Six Nations.
Could someone please guide me as to how I either prove or disprove this story.