Around 690, Saint Leodouin founded the abbey of Mettlach, while in 722, Bertha, sister of Charles Martel, founded Prüm Abbey, with the aid of monks from Echternach.
Around 690, Saint Leodouin established the abbey of Mettlach, while in 722, Bertha, sister of Charles Martel, founded Prüm Abbey with assistance from monks from Echternach.