Complex sentence: Later John of Gaunt, the son of Edward III, acquired the castle; and in 1367 it became the birthplace of John's son Henry, known as Henry Bolingbroke, who became King Henry IV of England.
Split into simpler sentences: Later John of Gaunt, the son of Edward III, acquired the castle. In 1367 it was the birthplace of John's son Henry, known as Henry Bolingbroke, who became King Henry IV of England.