↑ "Abu Bakr". Encyclopedia of Islam (2nd ed.). His father was Abu Quhafa ..., and he is therefore sometimes known as Ibn Abi Quhafa. ... The names ‘Abd Allah and ‘Atiq ('freed slave') are attributed to him as well as Abu Bakr, but the relation of these names to one another and their original significance is not clear. ... He was later known by Sunni Muslims as al-Siddiq, the truthful, the upright, or the one who counts true
