In February 1341, Pope Benedict XII ordered him to receive some procurators representing the Catalan Grand Company, which wished to return to "the bosom of the mother Church".
[1] In 1342, Henry negotiated an alliance between King Hugh IV of Cyprus and the Knights Hospitaler against the Turkish ruler Umur Beg of Aydin.
[2] On 31 August, Pope Clement VI officially named Henry his legate for the upcoming crusade against Smyrna, "because of the great and important business [he conducted] in Greece".
[5] On 21 October 1343, Henry was charged with keeping the peace in the Duchy of Athens between the ducal claimant Count Walter VI of Brienne and the occupying forces of the Catalan Company, with whom he had previous experience from 1341.
He had intended to celebrate a victory Mass in a former church (perhaps the seat of the metropolis) that the Turks had used as a stable, and which at the time lay between the Christian and Turkish lines.