John Beaumont, 4th Baron Beaumont (1361-1396) served in the French wars against the partisans of Pope Clement VII. He was Knighted by Edward III, and was Warden of the West Marches, Admiral of the North (sea), Constable of Dover Castle, and Lord Warden of the Cinque Ports. He was a Knight of the Garter and was 'one of the Embassy to France to demand Princess Isabel in marriage for the King'.
Beaumont was born in 1361 at Brabant, in Belgium. In 1389 he married Catherine Everingham (1367-1428) of Laxton, Nottinghamshire, England. His daughter Elizabeth married William Botreaux, father of Margaret Botreux who married Robert Hungerford.
Isabel de Beaumont was the daughter of Robert of Meulan de Beaumont, 1st Earl of Leicester and Isabel (Elizabeth) de Crépi of Vermandois.
John de Vere, the son of Alfonso de Vere, became the 5th Earl of Oxford. He renewed the claim to the office of Chief Chamberlain of England made by his uncle and eventually recovered it.
John FitzGilbert Marshall was the son of Gilbert Marshall, the Marshall of the royal household of Henry I. After the death of Henry I, he supported King Stephen in the war against the Empress Matilda.