 Complete the following phrase:  Burton was the eldest of two sons born to politician Francis Burton of County Clare by his wife, Mary née Conyngham. His paternal grandfather, also named Francis Burton 16401714, sat in Irish parliament for Ennis from 16911714. Originally a branch of the Musards, Lords of Stavely, the Burton family settled in Richmond, Yorkshire after the Norman conquest. Sir Edward Burton 14421524, knighted by Edward IV in 1460 after the 