I'm not related to either party. I thought this information would be helpful to their descendants.
The Philadelphia Press; Saturday, January 14, 1905, Page 13:
"THEOBALD – THOMPSON – On January 3, 1905, by the Right Rev. William Nellson McVickar, bishop of Rhode Island, assisted by the Rev. Dr. Floyd W. Tomkins, rector of the Church of the Holy Trinity, Helen Paxson, daughter of the late Frederic W. Thompson and granddaughter of the late Dr. William Seal Thompson, and Benjamin Franklin Theobald, of Philadelphia."