1311), was a nun in the St. Clara monastery in Mainz and later in Klarenthal Abbey near Wiesbaden. Matilda (died young). Imagina (died before 1276), may have married Frederick of Lichtenberg. References Sources Table 60. External links Genealogies of the Middle Ages. Nassau in: Medieval Lands. A prosopography of medieval European noble and royal families. Compiled by Charles Cawley Counts of Nassau 13th-century people of the Holy Roman Empire 1220 births 1276 deaths Year of birth uncertain