Consequently...
Consequently, the Prophet cursed him and his descendants and said, "Woe will befall my people from the progeny of this man." At last in view of his increasing intrigues the Prophet externed him from Medina towards the valley of Wajj (in Ta'if) and Marwan also went with him. Prophet did not thereafter allow them entry in Medina all his life.
Abu Bakr and `Umar did likewise, but `Uthman sent for both of them during his reign, and raised Marwan to such height as though the reins of caliphate rested in his hands. Thereafter his circumstances became so favourable that on the death of Mu`awiyah ibn Yazid he became the Caliph of the Muslims. But he had just ruled only for nine months and eighteen days that death overtook him in such a way that his wife sat with the pillow on his face and did not get away till he breathed his last.
The four sons to whom Amir al-mu'minin has referred were the four sons of `Abd al-Malik ibn Marwan namely al-Walid, Sulayman, Yazid and Hisham, who ascended the Caliphate one after the other and coloured the pages of history with their stories. Some commentators have regarded this reference to Marwan's own sons whose names are `Abd al-Malik, `Abd al-`Aziz, Bishr and Muhammad.
Out of these `Abd al-Malik did become Caliph of Islam but `Abd al-`Aziz became governor of Egypt, Bishr of Iraq and Muhammad of al-Jazirah. Previous…