Complex sentence: With the Restoration, Burt's professional fortunes revived; he was one of the thirteen actors who were the original sharers in the newly-organized King's Company under the management of Thomas Killigrew.
Split into simpler sentences: With the Restoration, Burt's professional fortunes revived. In 1661 Burt became one of the thirteen actors who were original sharers in the newly-organized King's Company under the management of Thomas Killigrew.