Musnad Ahmad 33:259

Abu Mu'awiyah narrated to us, Hisham bin 'Urwah narrated to us, from Muhammad bin al-Munkadir, from Jabir, who said: The Messenger of Allah (peace and blessings of Allah be upon him) said: "Al-Zubayr is the son of my paternal aunt, and my disciple (hawari) from my nation."