Complex sentence: His youngest daughter, Manon Steffan Ros is the author of three novels and is twice winner of the Drama Medal for playwrights at the National Eisteddfod of Wales.
Split into simpler sentences: His youngest daughter, Manon Steffan Ros, is the author of three novels. She is twice winner of the Drama Medal for playwrights at the National Eisteddfod of Wales.