Rado was the mayor of the palace

Mayor of the Palace

Mayor of the Palace was an early medieval title and office, also called majordomo, from the Latin title maior domus , used most notably in the Frankish kingdoms in the 7th and 8th centuries....

 of Burgundy

Kingdom of Burgundy

Burgundy is a historic region in Western Europe that has existed as a political entity in a number of forms with very different boundaries. Two of these entities - the first around the 6th century, the second around the 11th century - have been called the Kingdom of Burgundy; a third was very...

 from 613 to 617.

He, along with Warnachar, Pepin of Landen, and Saint Arnulf

Arnulf of Metz

Saint Arnulf of Metz was a Frankish bishop of Metz and advisor to the Merovingian court of Austrasia, who retired to the Abbey of Remiremont....

, abandoned the cause of the queen Brunhilda and the young king Sigebert II

Sigebert II

Sigebert II was king of Burgundy and Austrasia . Bastard son of Theuderic II, he succeeded his father in 613; but the mayor of the palace of Austrasia, Warnachar, feared that at his young age he would fall under the influence of his great-grandmother Brunhilda.Brunhilda had brought him before a...

 and joined with Clotaire II

Clotaire II

Chlothar II , called the Great or the Young , King of Neustria, and, from 613 to 629, King of all the Franks, was not yet born when his father, King Chilperic I died in 584...

, promising not to rise in defence of the queen-regent and recognising Clotaire as rightful regent and guardian of Sigebert. He was confirmed in his mayoralty by Clotaire, who also confirmed Warnachar as mayor of Austrasia. On Rado's death, Warnachar was confirmed in Burgundy and Austrasia was given to another.