Complex sentence: He entered Clare College, Cambridge, but migrated to Christ Church, Oxford, where he matriculated on 4 April 1720, and took the degrees of B.C.L. in 1724 and D.C.L. in 1729.
Split into simpler sentences: He entered Clare College, Cambridge, but migrated to Christ Church, Oxford. There he matriculated on 4 April 1720 and took the degrees of B.C.L. in 1724 and D.C.L. in 1729.