Mayor of the Palace
The Council of Cannstatt, also referred to as the blood court at Cannstatt ("Blutgericht zu Cannstatt"), was a council meeting at Cannstatt, now a part of Stuttgart, in 746 that took place as a result of an invitation by the Mayor of the Palace of Austrasia, Carloman, the eldest son of Charles Martel, of all nobles of the Alemanni.