This is a Sahaba

Sahaba

In Islam, the ' were the companions, disciples, scribes and family of the Islamic prophet...

 of Muhammad

Muhammad

Muhammad |ligature]] at U+FDF4 ;Arabic pronunciation varies regionally; the first vowel ranges from ~~; the second and the last vowel: ~~~. There are dialects which have no stress. In Egypt, it is pronounced not in religious contexts...

When Zaid was older, he retold the hadith of the two weighty things

Hadith of the two weighty things

The Hadith al-Thaqalayn refers to a saying about al-Thaqalayn, which translates to "the two weighty things." In this hadith Muhammad referred to the Qur'an and Ahl al-Bayt as the two weighty things...

, during the Banu Umayyad rule. One version is quoted in Sahih Muslim

Sahih Muslim

Sahih Muslim is one of the Six major collections of the hadith in Sunni Islam, oral traditions relating to the words and deeds of the Islamic Prophet Muhammad. It is the second most authentic hadith collection after Sahih Al-Bukhari, and is highly acclaimed by Sunni Muslims...

 where he, after being asked several times, tells about the event and unwillingly concludes that Muhammad's wives are not part of the Ahl ul-Bayt. In another version, he gives a more vague answer. He was the first person in Islam to give his home for the first namaz/salah in Islam, which was led by Muhammad. It was in his house where Caliph Umar converted to Islam.

He gave allegiance to Abu Bakr, when Ali did so .