KM, we know that a Mary Clark, child of James Jackson Clark and Maria T. Kinear was in in PA in say 1858. She married Benjamin Knopp in say 1883. They had three children, James, born about 1887, June Beatty Knopp, b. 27 Apr 1893, d. Clarion Cty, 15 Feb 1986. and Mary Helen Knopp b. 29 Sep 1891 As far as we know only June Deatty Knopp married. June married Clyde Phillip Hedrick in say 1912, she had five children, on of which Walter James, b. 7 Apr 1914. He had five children, are any of these folks names you recognize? While there is not enought here to make the connection you mention, I think there is enough to continue your seach. I am more than willing to assist you complete an application to DSDI (www.dsdi1776.com ) as if this pans out, you will increase our knowledge of this Signer.