Sa'd and Abu Bakra each one of them said: My ears heard and my hearing preserved it that Muhammad (peace and blessings be upon him) observed: He who claimed for another one his fatherhood besides his own father knowingly that he was not his father-to him Paradise is forbidden.
It is reported on the authority of Abu Dharr that he heard the Messenger of Allah (may peace and blessings be upon him) saying: No person who claimed knowingly anyone else as his father besides (his own) committed nothin…
It is narrated on the authority of Abu Huraira that the Messenger of Allah (may peace and blessings be upon him) observed: Do not detest your fathers; he who detested his father committed infidelity.
It is reported on the authority of Sa'd b. Abi Waqqas: Both of my ears heard the Messenger of Allah (ﷺ) saying this: He who claimed the fatherhood of anyone else besides his real father knowingly (committed a great sin)…