Erard | Sébastien Érard | John of Brienne | John II of Brienne | Érard | Brienne of Tarth | Brienne-la-Vieille | Brienne | Blanche de Brienne, Baroness Tingry | Blanche de Brienne |
In 1110 he married Alix of Roucy-Ramerupt, daughter of André de Montdidier-Roucy, seigneur de Ramerupt.
In 1216, in the Champagne War of Succession, he supported Erard I, Count of Brienne, in his quarrel with Theobald IV, Count of Champagne, who was supported by Philip II of France, Frederick II, Holy Roman Emperor, and Henry II of Bar.