Peter continued to receive gifts from the king, including market rights and the ability to take timber from the royal forests. In August, Peter was present at the royal court at
Shrewsbury, which made peace with the Welsh. In the autumn, Henry again attempted to have him translated to another see by having him moved to London, which was once more unsuccessful. He then served as a
papal judge-delegate, judging a case for the papacy that had been referred back to England, this one involving a dispute between King Henry and
Jocelin of Wells, the
Bishop of Bath and Wells, over
Glastonbury Abbey. In 1242 he was sent to the continent as a diplomat, helping to arrange the marriage between the king's younger brother,
Richard of Cornwall, and Queen Eleanor's younger sister
Sanchia of Provence. In 1243 Peter began acting as the representative for the absent
Archbishop of Canterbury-elect,
Boniface of Savoy, another of Queen Eleanor's uncles. Boniface had been appointed archbishop in 1241, but had still not arrived in England or been consecrated. Boniface finally arrived in England in the spring of 1244, and Peter was at Dover to welcome Boniface and deliver Boniface's
pallium, the symbol of an archbishop's authority. Shortly after this, Peter was ordered by the papacy to intervene in Henry's dispute with
William of Raleigh, the
Bishop of Winchester. The pope sent Peter to the king with an ultimatum threatening an interdict on the king's chapel if peace was not made between the king and Raleigh. Peter attended the general council of the church that was convened by Pope
Innocent IV at
Lyons in 1245, and then went to Savoy on a diplomatic mission for the king. Then he returned to England, where he acted as Boniface's representative again, until Boniface returned to England in 1249. During this time, he was also busy in his diocese, where he issued regulations for his clergy as well as taking possession of lands that had been granted away by his predecessors. He also performed some other diplomatic missions for the king. Probably in early 1250, Peter vowed to go on
crusade, and he spent the next years busy on the continent. In 1251 he helped settle a concern over whether King Henry had previously been betrothed to
Jeanne, Countess of Ponthieu, who was now married to King
Ferdinand III of Castile. After this, Peter helped arrange the marriage of Prince
Edward to
Eleanor of Castile, which was finalized in the spring of 1254. ==Diocesan affairs==