Henry I, Count of Nassau-Beilstein (1307âÂÂ1388) was a son of Henry I of Nassau-Siegen and his wife, Adelaide of Heinsberg-Blankenberg. His parents had initially destined him for an ecclesiastical career. However, he later married Meyna (Imagina) of Westerburg and after his father's death became the first count of Nassau-Beilstein.
Henry and Meyna had three children: