Complex sentence: Anwyl of Tywyn ("Anwyl" pronounced) are a Welsh family who claim a patrilinear descent from Owain Gwynedd, King of Gwynedd from 1137 to 1170 and a scion of the royal House of Aberffraw.
Split into simpler sentences: Anwyl of Tywyn ("Anwyl" pronounced) are a Welsh family who trace their descent to Owain Gwynedd. They claim direct patrilinear descent from Owain, who was King of Gwynedd from 1137 to 1170 and a scion of the royal House of Aberffraw.