Henry de Beaumont, 1st Baron Beaumont English noble (1280-1340) (1280–1340) Parents Agnès of Beaumont-au-Maine Louis of Brienne Children Isabel of Beaumont Joan Beaumont Beatrice Beaumont Thomas Beaumont John de Beaumont, 2nd Baron Beaumont Catherine de Beaumont John Beaumont Alice Beaumont Richard Beaumont Elizabeth Beaumont Siblings Lewis de Beaumont Jeanne de Brienne, Dame de Loue Isabella de Beaumont Marie de Brienne Jean, Vicomte de Beaumont Margaret of Acre Partners Alice Comyn, Countess of Buchan