+———Jacob Blecker (5 Jun 1807 Boonesborough, Washington Co, MD – 29 Nov 1871 Boonesborough, Washington Co, MD)      |  +———Daniel Henry Blecker (16 Apr 1843 Boonesborough, Washington Co, MD – 16 Sep 1937 Mt. Morris, Ogle Co, IL)  |   |          |   |   +———Henry Schriver (1780 – )  |   |   |  |   +———Barbara Ann Schriver (12 Feb 1811 MD – 5 May 1889 Boonesborough, Washington Co, MD)  |       |      |       +———Catherine Unknown  |      George Alva Blecker (14 Dec 1868 Boonesborough, Washington Co, MD – 30 Jun 1946 CA)  |      +———Mary Cathrine Ansberger (9 Oct 1852 – )