Complex sentence: However, Dromoland was not listed among the many properties named and it rested with the Earls of Thomond for another fifty years, though the fifth Earl did transfer two other properties to Donough as compensation.
Split into simpler sentences: However, Dromoland was not listed among the many properties named, and it rested with the Earls of Thomond for another fifty years. The fifth Earl did transfer two other properties to Donough as compensation.