In 1254, he was sent as legate to the courts of England and France and as Henry III of England was, at that time, in his realm in the Aquitaine, Bartholomew traveled there towards the close of that year, then accompanied the English king and queen to Paris.
In 1254, Bartholomew was dispatched as a legate to the courts of England and France. At this time, Henry III of England was in Aquitaine. He journeyed there near the end of that year before joining the English king and queen in Paris.