that the Prophet (ﷺ) said: "The major sins are associating others with Allah, disobeying the parents" or he said, "the false oath". Shu'bah (a narrator in the chain) was in doubt.
Jami` at-Tirmidhi Book 47, Hadith 73
← Previous Hadith from 'Abdullah bin Unais Al-Juhni who said: "The Messenger of Allah (ﷺ) said: 'Indeed among the worst of the major sins is Shirk with Allah, disobeying the parents, the false oath, and none insists on taking an oath in which he swears, including the like of a wing of a mosquito (of falsehood) in it - except that a spot is placed in his heart until the Day of Judgement.'"

Jami` at-Tirmidhi Book 47, Hadith 72 Next Hadith → from Umm Salamah that she said: "The men fight and the women do not fight, and we only get half the inheritance.' So Allah, Blessed and Most High, revealed: 'And wish not for things in which Allah has made some of you excell over others... (4:32)' Mujahid said: "And the following was revealed about that: 'Verily the Muslim men and the Muslim women... (33:35). And Umm Salamah was the first camel-borne woman to arrive in Al-Madinah as an emigrant.

Jami` at-Tirmidhi Book 47, Hadith 74