 He was the only Grand Master of Malta who did not die and was not buried in Malta, apart from Ferdinand von Hompesch zu Bolheim, who left the islands with the Order's expulsion in 1798.Coincidentally, both Didier de Saint-Jaille and Hompesch are buried in Montpellier.While he was away from Malta, the knight Jacques Pelliquen acted as Lieutenant Grandmaster, and during his rule Maltese and Calabrian soldiers destroyed El Haid Tower which was close to Tripoli (then a possession of the Order).