Complex sentence: Mepeham was educated at Oxford between the years 1290 through 1296 at Merton College where he devoted himself to the study of theology and was ordained priest on 21 September 1297 by Archbishop Robert Winchelsey in Canterbury Cathedral, who gave Simon the Rectory of Tunstall in Kent.
Split into simpler sentences: Mepeham was educated at Oxford between the years 1290 and 1296 at Merton College where he devoted himself to the study of theology. He was ordained priest on 21 September 1297 in Canterbury Cathedral by Archbishop Robert Winchelsey, who gave Simon the rectory of Tunstall in Kent.