 William Williams Chapman ( August 11 , 1808 – October 18 , 1892 ) was an American politician and lawyer in Oregon and Iowa . He was born and raised in Virginia . He served as a United States Attorney in Iowa when it was part of the Michigan and Wisconsin territories , and then represented the Iowa Territory in the United States House of Representatives . He later immigrated to the Oregon Country , where he served in the Oregon Territorial Legislature . 
