Complex sentence: George Seton, Lord Seton, Master of Winton (May 15,1613-June 4,1648) was the eldest surviving son of the 3rd Earl of Winton, and continued the family's long-standing Roman Catholic traditions.
Split into simpler sentences: George Seton, Lord Seton, Master of Winton (1613-1648). Eldest surviving son of the 3rd Earl of Winton, he was born 15 May, 1613, and continued the family's long-standing Catholic traditions.