Complex sentence: After centuries of sporadic conflict, the Roaches were routed from their castle and in 1666, Lieutnant Colonel John Widenham, who had lived in County Clare, got the castle as reward.
Split into simpler sentences: After centuries of sporadic conflict, the Roaches were routed from their castle. In 1666 Lieutenant Colonel John Widenham, who had lived in County Clare, got the castle as reward.