MR. EDITOR—I wish to inquire for my people, viz: father's name was Plenty McKeniers; my mother's name was Lydia Buchanan.; she is dead. I had two sisters, viz: Eliza and Ellen Buchanan; one brother named Edmund, who was hung for killing May Buchanan, his master. One aunt on mother's side named Betsy Buchanan, one uncle named Phil. Father and his…