According to Gobineau (p. 167), they were Sultan Husayn Mirza, son of Fath-'Ali Shah, and Dawud Mirza, son of Zillu's-Sultan, uncle of the Shah. A. L. M. Nicolas, in his "Siyyid Ali-Muhammad dit le Bab" (p. 308), adds Mustawfi Mirza Abdu'l-Baqi.