On numerous occasions from 1205 to 1219, Rǫgnvaldr bound himself to the English Crown by rendering homage to John, King of England and his successor, Henry III, King of England. In return for his vassalage, these English rulers promised to assist Rǫgnvaldr against any threats to his realm, whilst Rǫgnvaldr pledged to protect English interests in the Irish Sea zone. With the strengthening of Norwegian kingship in the first half of the century, the Norwegian Crown began to look towards the Isles, and in 1210 the region fell prey to a destructive military expedition. In consequence, Rǫgnvaldr rendered homage to Ingi Bárðarson, King of Norway. The resurgence of Norwegian authority threat may well have been the reason why Rǫgnvaldr submitted to Pope Honorius III in 1219, and promised to pay a perpetual tribute for the protection of his realm.