Complex sentence: Johannes Gezelius the younger born in Dorpat AD 1647 and died AD 1718 in Uppland was an theologian, professor in The Royal Academy of Åbo and superintendent of Livonia.
Split into simpler sentences: Johannes Gezelius the younger was born in Dorpat AD 1647, and died AD 1718 in Uppland. He was a theologian, professor in The Royal Academy of Åbo and superintendent of Livonia.