Morman had been a faithful follower of Charlemagne, having sworn oaths to him and performed the giving of hands, probably becoming his vassus, although the Bretons rose up in rebellion in 811.
Morman was a loyal supporter of Charlemagne, having sworn fealty to him and performed the customary hand-taking ceremony, probably becoming his vassal. However, the Bretons rebelled against Charlemagne in 811.