+———Jacob Willier      |  +———Jacob B. Willier (29 Nov 1840 PA – 6 Nov 1867 Ogle Co, IL)  |   |      |   +———Lydia Troutman  |      Sylvia Willier (31 Oct 1866 IL – 11 Apr 1933)  |          |   +———James A. Higgs (30 Mar 1808 MD – 3 May 1900)  |   |  +———Anna Maria Higgs (11 Oct 1843 Washington Co, MD – 4 Jan 1921 Leaf River, Ogle Co, IL)      |              |   +———Peter Hammond (4 Jan 1764 – 18 Oct 1836)      |   |      +———Susan Hammond (1 Apr 1809 – 2 Jun 1872)          |              +———Ann Catherine Cushwa (19 Jul 1769 – 13 Mar 1838)