In August 1885, William S. married his fourth wife, Susanne Foster. They did not have any children.
Ellen Jackson Seely, Second wife of William S., died on January 17, 1908. She was 89 years old.
Ann Watkins Seely, third wife of William S., died April 18, 1927. She was 81 years old, and was buried in the Mt. Pleasant Cemetery.
Final Peace Treaty. Several peace conferences with the Indians had been held in different settlements. A meeting was held at Mt. Pleasant, September 17, 1872, at which General Morrow, Apostle Orson Hyde, Bishop Amasa Tucker, Bishop Fredrick Olson, Bishop W. S. Seely, Colonel Reddick Allred met at Mt. Pleasant with a great number of Indian Chiefs and braves, among whom were Tabiona, White Hare, Angizeble and others who were known to have encouraged depredations under Chief Black Hawk. The concluding peace treaty was signed at this time. That meeting was held at the home of William S. Seely. (the current Mt. Pleasant Relic Home) also see: http://www.lds.org/churchhistory/library/source/0,18016,4976-5975,00.html