suthrnkisses on Family Tree Circles

I am looking for info on Henry 'Pap" Keen/Keen and his wife Margaret Elizabeth Kirby I believe Henry Keen to have been a native American Brave that lived in north carolina and married Nancy Kirby daughter of a missionary it is told that henry and margaret left north carolina before the trail of tears and went to kentucky. I cant seem to find out anything so if anyone can verify that id be most appreciative. also one of their children Nancy Jane married John Joseph Wright and had my grandmother who was Lena Wright she Married Fredrick Hudson Pitcock . Help me please people if you read this.