+———Samuel Long Blair (13 Feb 1783 Northumberland Co, PA – 5 Sep 1861 Adeline, Ogle Co, IL)  |      William Stewart Blair (30 May 1816 Crawford Co, PA – 9 Jul 1890 Omaha, NE)  |      +———Mercy Chidester (2 Dec 1791 Washington Co, PA – 19 Jun 1861)