Kerr/Vail cousins : 9 generations of the ancestors and descendants of William Stewart Kerr, 1803 PA-1899 [i.e. 1889] CA and the ancestors and relatives of his wife, Jane/Janet Vail, 1807 OH-1856 CA, from Delaware, New Jersey, Pennsylvania, 1600/1700's to Mansfield in Richland Co., Ohio to locations in northern and southern California