He was one of the wealthiest men in Europe and joined the Barons' Crusade, where he achieved success as a negotiator for the release of prisoners and assisted with the building of the citadel in Ascalon.
Sendo un dos homes máis ricos de Europa, uniuse á cruzada dos baróns, onde alcanzou éxito como negociador na liberación dos reféns e axudou na construción da cidadela de Ascalón.