Louis of Brienne 1250- (1250–1297) Parents Berengaria of León John of Brienne Children Jean, Vicomte de Beaumont Henry de Beaumont, 1st Baron Beaumont Lewis de Beaumont Isabella de Beaumont Jeanne de Brienne, Dame de Loue Marie de Brienne Margaret of Acre Siblings John II of Brienne Marie of Brienne Isabella II of Jerusalem Alphonso of Brienne Partners Agnès of Beaumont-au-Maine
