Complex sentence: Reginald Pecock (or Peacock) (c.1395-1460), prelate and writer, was probably born in Wales, and was educated at Oriel College, Oxford.
Split into simpler sentences: Reginald Pecock (or Peacock) (c.1395-1460), was an English prelate and writer. He was probably born in Wales, and was educated at Oriel College, Oxford.