Hi Pat. Here's what I have on the Blackburn family. It'll show you at least one way that they tie into the CONN line. Can't help you on the St. Clair line. BTW, David Conn & Anna Burnham are my direct line, so I could help you if it turns out you are connected. Francine Conn Halter ==== Descendants of William Warner Washburn 1 William Warner Washburn b: June 11, 1817 +Lucetta Conn b: February 22, 1835 in Lycoming, PA m: Bet. 1869 - 1870 d: May 1914 in Royal Center, IN Father: David Conn Mother: Anna Burnham ......2 Anna Conn Washburn b: 1871 d: 1872 ......2 George W. Washburn b: September 06, 1876 d: March 04, 1934 +Fannie Blackburn m: 1898 .......... 3 Olive E. Washburn ........... +Otto C. Brenner ........... 3 William Reuben Washburn