Complex sentence: He was educated for the medical profession, but also studied law, and applied himself so earnestly to theology that he received the doctorate in that faculty also, and, having joined the Benedictines, taught for some time at Freiburg.
Split into simpler sentences: He was educated for the medical profession but also studied law and applied himself so earnestly to theology that he received the doctorate in that faculty also. Having joined the Benedictines, taught for some time at Freiburg.