Daughter of Saint Dagobert II and the Anglo-Saxon princess Matilda. Sister of Saint Adela of Pfalzel. Grand-daughter of Saint Sigebert III of Austrasia. Princess. Betrothed at age 15 to Count Herman, but he died on their wedding day. Irmina became a nun and founded a Benedictine convent in the old castle of Honrien at Trier, Germany, given to her by her father. Generous benefactor to Celtic and Saxon monks. At one point, an epidemic threatened to wipe out her community, but they were saved through the intercessory prayers of Saint Willibrord of Echternach. In gratitude, Irmina gave Willibrord the land at Echternach where he later established the great abbey that bore his name.