+———Samuel Long Blair (13 Feb 1783 Northumberland Co, PA – 5 Sep 1861 Adeline, Ogle Co, IL)      |  +———John Franklin Blair (6 Nov 1835 Crawford Co, PA – 26 Nov 1927 Adeline, Ogle Co, IL)  |   |      |   +———Mercy Chidester (2 Dec 1791 Washington Co, PA – 19 Jun 1861)  |      Elmer Spencer Blair (12 Sep 1870 Adeline, Ogle Co, IL – 31 Aug 1956)  |          |   +———John Robins  |   |  +———Amelia A. Robins (25 Oct 1844 NY – 22 Aug 1890 Adeline, Ogle Co, IL)      |          +———Elizabeth Unknown