"His sister married a man by the name of Burns who died early and left her a widow. (His name was John Burns). The sister Mary Duffy Burns met an Indian from one of the Dakotas who was in Washington, D.C. to negotiate for his tribe and married him and left for the west. She was never again heard of, and no one knows what happened to her."
Unknown married Mary Duffy, daughter of Unknown Duffy and Unknown.