How Umar bin Abdul-Aziz became the Heir Apparent When Sulayman ibn Abdul-Malik was Khaleefah he was advised by the righteous scholar Raja’ bin Haywah al-Kundi, to nominate his nephew and Wazir Umar bin Abdul-Aziz as the next Khaleefah instead of his own son and brother. Sulayman did this, and knowing that Banu Umayyah would not be happy, he nominated his brother Yazeed ibn Abdul-Malik as the Khaleefah after Umar. Raja’ bin Haywah who was the provisional leader overseeing the transition process to the next Khaleefah, describes the events surrounding Umar bin Abdul-Aziz’s nomination as narrated by Tabari. Raja’ bin Haywah says: ‘On the day of Jumu’ah, Sulayman ibn Abd al-Malik was wearing green silk robes and as he looked in mirror, he said: “By Allah! I am a young king.” He then left for prayer, led the people in the Friday congregation and he did not return except that he had fallen ill. When he later burdened his son, Ayyub, who was just a boy at the time, with writing a book on his Khilafah, …