It has been likened to a treasurer, the count's personal financial manager or even a minister of the county's finances.
In preparation he donated ten arpents of land and a family of serfs at Trilbardou to the Templars of Moisy and in exchange he was taken into the order as a confrater (lay brother), his mother was to be commemorated at Moisy and his sister Amelia and her husband, Manasses, were to receive spiritual benefits from the Templars.
He also leased some meadows at Orgeval to the Templars of Coulommiers for an annual rent of ten measures of grain, a fact confirmed by Count Theobald III of Champagne in a charter 1198.
[6] In 1213, as a veteran of the Crusade, he was questioned concerning the legality of the marriage of Isabella I of Jerusalem to Count Henry II of Champagne, since she had previously been married to Lord Humphrey IV of Toron—who was still alive—and to the late Margrave Conrad of Montferrat.
In 1221, on the eve of his retirement from public life, he signed a document recognising that the office of chamberlain was not hereditary.