Children of Beatrice de Valle and William Briwerre are:
| || i.||Isabel Briwerre died BEF 10 JUN 1233. She married Robert Of Dover BEF 1200, son of Fulbert Of Dover.
He was born ABT 1180.
She married Baldwin Wake 1209, son of Baldwin Wake and Agnes Du Hommet.
He died 1213.
| || ii.||Isabel de la Bruer. She married William de la Bruer, son of Anthony de la Bruer.
| || iii.||Grace Briwere. She married Reginald De Braose, son of William De Braose and Maud De St Valerie.
He was born 1180 in Bramber, Sussex, England , and died 9 JUN 1228 in Brecon, Breconshire, Wales.
| || iv.||Margaret De Briwerre. She married William De La Ferte.
She married Geoffrey de Saye, son of Geoffrey de Saye and Alice Chesney.
He died 24 OCT 1230.
|9.|| v.||Alice De Briwere was born ABT 1183, and died ABT 1257. She married Reynold De Mohun, son of William De Mohun and Lucy.
He was born ABT 1180 in Dunster, Somerset, and died 1213.
| || vi.||Joan de Briwere. She married William De Percy, son of Henry De Percy and Isabel De Brus.
He was born 1193, and died 28 JUL 1245.
| || vii.||Anne de Briwere died AFT 1212. She married Roger de Giffard, son of Gervaise de Giffard.