Duke Gondulf (), was also known as Gundulf. He is thought to have been a patrician of Provence who later became Bishop of Metz in the year 591. There is some evidence that he was only a chorbishop.Dissertations sur l'histoire ecclesiastique et civile de Paris p59 Jean Lebeuf 1741 He was the son of the Senator Florentinus (born 485) and Artemia, the daughter of St. Rusticus.
Sources
Christian Settipani, Les ancêtres de Charlemagne, 1989. Gregory of Tours, The History of the Franks.