Complex sentence: Sir Harry Morton Llewellyn, 3rd Baronet CBE, OBE (18 July 1911--15 November 1999) was a British equestrian champion, who was born in Aberdare, South Wales, as the son of a colliery owner, Sir David Llewellyn, 1st Baronet.
Split into simpler sentences: Sir Harry Morton Llewellyn, 3rd Baronet CBE, OBE (18 July 1911--15 November 1999) was a British equestrian champion. He was born in Aberdare, South Wales, the son of a colliery owner, Sir David Llewellyn, 1st Baronet.