+———Samuel Long Blair (13 Feb 1783 Northumberland Co, PA – 5 Sep 1861 Adeline, Ogle Co, IL)  |      Samuel Wilson Blair (17 Aug 1830 Crawford Co, PA – 12 Dec 1912 Parker, Linn Co, KS)  |      +———Mercy Chidester (2 Dec 1791 Washington Co, PA – 19 Jun 1861)