In particular the poets mention Hind, the mother of Mu'awiya, Summayya, the grandmother of 'Ubayd Allah ibn Ziyad, among other women through whom the Umayyads and their followers may be cursed. Ziyad and his son, 'Ubayd Allah are mentioned together with Umar ibn Sa'd and Shimr ibn Dhi Jawshan as being, with Yazid, the worst criminals at Karbala '.