Career
He took part in the Fifth Crusade and was against the Sultan of Egypt"s conditions for raising the siege of Damietta. He was previously Master of the Crown of Aragon. At the same time, the Grand Master of the Knights Hospitaller was Guérin de Montaigu, who is likely to have been Pere"s brother.
The close relationship between the two military orders during this period was probably a result of this.
In return for the Templars calling off their siege at Damietta, the Islamic forces would return many Frankish soldiers, halt attacks on Jerusalem and most importantly, return the part of the True Cross, captured from the Europeans at the Battle of Hattin. His military victories, aided by the Hospitaller knights, made him a renowned warrior.
He died in 1232 of apoplexy.
