Background
He was the son of Gautier II, count of Brienne, and of Adèle of Soissons, daughter of John I of Soissons & his wife Aveline de Pierrefonds.
He was the son of Gautier II, count of Brienne, and of Adèle of Soissons, daughter of John I of Soissons & his wife Aveline de Pierrefonds.
Erard II's nephew was Erard of Brienne-Ramerupt. Their children were:
Gautier III of Brienne (died 1205) count of Brienne and claimant to the throne of Sicily. John of Brienne (1170–1237), king of Jerusalem (1210–1225), then emperor of Constantinople (1231–1237).
William of Brienne (died 1199) lord of Pacy-sur-Armançon, married Eustachie of Courtenay, daughter of Pierre de France and of Elisabeth of Courtenay. Ida of Brienne who married Arnoul of Reynel lord of Pierrefitte.