"...apart from references to Nur al-Din's widow Ismat al-Din Khatun...there are almost no details to be found about his wives or the slave girls who bore him children..." Lyons & Jackson 1982, p. 185. Lyons, Malcolm Cameron; Jackson, D. E. P. (1982). Saladin: The Politics of the Holy War. Cambridge: Cambridge University Press. ISBN0-521-31739-8.
