Musnad Abu Ya'la al-Mawsili 7:1

Zuhayr narrated to us, Qutaybah ibn Sa'id narrated to us, he said: 'Abd al-'Aziz ibn Muhammad narrated to us, from 'Abd al-Rahman ibn Humayd, from his father, from 'Abd al-Rahman ibn 'Awf, who said: The Messenger of Allah (peace and blessings of Allah be upon him) said: "Ten are in Paradise: Abu Bakr is in Paradise, and 'Umar is in Paradise, and 'Uthman is in Paradise, and 'Ali is in Paradise, and Talhah is in Paradise, and al-Zubayr is in Paradise, and 'Abd al-Rahman ibn 'Awf is in Paradise, and Sa'd ibn Abi Waqqas is in Paradise, and Sa'id ibn Zayd ibn 'Amr is in Paradise, and Abu 'Ubaydah ibn al-Jarrah is in Paradise."