Itzamnaaj B'alam had a second wife named Lady Eveningstar of Calakmul with whom he had a son named Yaxun Bʻalam.
It is believed by Linda Schele and David Freidel that Itzamnaaj B'alam had Temple 23 in Yaxchilan constructed to honor Lady Xoc while also gaining public support for his son to become king.