Lord mayors are entitled to be addressed as "right honourable."
When the custom of commendation developed, the king charged the mayor of the palace to protect those who had commended themselves to him and to 1 The mayors of certain cities in the United Kingdom (London, York, Dublin) have acquired by prescription the prefix of "lord."
It is difficult to trace the names of some of the mayors of the palace, the post being of almost no significance in, the time of Gregory of Tours.
When the office increased in importance the mayors of the palace did not, as has been thought, pursue an identical policy.
On the other hand, mayors like Flaochat (in Burgundy) and Erkinoald (in Neustria) stirred up the great nobles, who claimed the right to take part in their nomination, against the king.