[1][2] In 1148 the young Humphrey and his mother confirmed the gift of Humphrey II to the Order of Saint Lazarus,[3] and in 1161 he witnessed the agreement by which King Baldwin III granted the lordship of Transjordan to Philip of Milly in exchange for Philip's lands in Nablus.
[4] The historian Michael Fulton presumes that around this time Humphrey married Philip's younger daughter, Stephanie of Milly.
[7] Helena died before November 1167, and Walter henceforth ruled Transjordan in the name of their minor daughter, Beatrice.
[8] In early 1170 Transjordan was invaded by the Damascene ruler Nur ad-Din, who laid siege to the Kerak Castle.
As reported by the Arab chronicler Ibn al-Athir, Humphrey and his father-in-law, who had risen to become master of the Templars, led the vanguard.