Complex sentence: In 1377, Hanmer was appointed serjeant-at-law and as such attended the Parliament of England at Gloucester in 1378 and that at Northampton two years later at which he was also a member of the Commons for Herefordshire.
Split into simpler sentences: In 1377, Hanmer was appointed serjeant-at-law. In the following year, he attended the Parliament of England at Gloucester, that at Northampton two years later as a member of the Commons for Herefordshire.