Complex sentence: Thynne was one of three candidates nominated, and a poll was demanded, but Thynne later withdrew, and the seat was won by the Liberal William George Boyle, a relative of Dungarvan's.
Split into simpler sentences: Thynne was one of three candidates nominated, and a poll was demanded, but Thynne later withdrew. The seat was won by the Liberal William George Boyle, a relative of Dungarvan's.