http://genforum.genealogy.com/lyon/messages/1720.html
Children of WILLIAM LYON and ELIZABETH TWEEDY are:
JOHN LYON, b. 1822, Meadville, Pennsylvania, d. 1899, m. MARGARET OR ELIZABETH HAWTHORNE-TWAIT;
DAVID MARION LYON, b. August 30, 1823, PA, d. October 08, 1879, Rosseau, Morgan Co., OH;
ELEANOR LYON8, b. Aft. 1824, m. CALEB S. WORTHINGTON;
ELIZA ANN LYON8, b. Aft. 1824, m. ISAAC STONE;
EMMA MARIE LYON8, b. Aft. 1824, m. ALFRID ALLEN;
MARGARET M. LYON8, b. Aft. 1824; m. THOMAS H. SCOTT8;
MARY JANE LYON, b. Aft. 1824, m. JAMES THOMPSON;
ANDREW JACKSON LYON, b. March 13, 1827,d. October 22, 1863;
MARTIN VAN BUREN LYON, b. June 05, 1836; d. January 06, 1862.