Complex sentence: Sir John Wynn, 1st Baronet (1553--1 March 1627), Welsh baronet, Member of Parliament and antiquary, was the son of Morys Wynn ap John and directly descended from the princes of Gwynedd through Rhodri ab Owain son of Owain Gwynedd.
Split into simpler sentences: Sir John Wynn, 1st Baronet (1553--1 March 1627), Welsh baronet, Member of Parliament and antiquary, was the son of Morys Wynn ap John. He claimed to be directly descended from the princes of Gwynedd through Rhodri ab Owain son of Owain Gwynedd.