13. John Newborough (Thomas De Newburg , Robert De Newburgh , John De Newburgh , Henry De Newburgh , Robert De Newburgh , Robert De Newburgh , Roger De Newburgh , Robert De Newburgh , Henry de Beaumont, Earl of ) was born about 1340 in of Winfrith Newburgh, Dorset, England. He died on 4 Jun 1381 in Winfirth Newburgh, Dorset, England. He was buried in Binden Abbey, Dorset, England.

John married Margaret Poyntz, daughter of Nicholas Pyantz and Eleanor Erleigh. Margaret was born about 1344 in of Winfrith Newburgh, Dorset, England.