Complex sentence: William Clerk, LL.D. (died 1655), civilian, received his education at Trinity Hall, Cambridge (LL.B.1609, LL.D.1629).
Split into simpler sentences: William Clerk, LL.D. (died 1655) was an Englsh civil lawyer. He received his education at Trinity Hall, Cambridge (LL.B.1609, LL.D.1629).