Son of Henry de Briwere and Joan de Briwere Husband of Beatrice de Valle Father of Grecia (Gracia) de Briwere; Margaret or Margery de Briwere; Richard de Briwere; William de Briwere, II; Lady Alice de Briwere and 2 others Brother of Unknown de Gernon; Richard Briwere; John de Briwere; Peter Briwere de Rievaulx; Alice de Briwere and 1 other