Complex sentence: Buckmaster was the third son of John Charles Buckmaster, of Ashleigh, Hampton Wick, by his wife Emily Anne (née Goodliffe), and was educated at Aldenham and Christ Church, Oxford.
Split into simpler sentences: Buckmaster was the third son of John Charles Buckmaster, of Ashleigh, Hampton Wick, by his wife Emily Anne (née Goodliffe). He was educated at Aldenham and Christ Church, Oxford.