Name the Sahabi who is a cousin and son in law of the Holy Prophet (SAW)?

اس صحابی کا نام بتائیں جو حضور صلی اللہ علیہ وسلم کے چچازاد بھائی اور داماد تھے؟

Hazrat Ali (RA)

Hazrat Zaid bin Haris (RA)

Hazrat Zaid bin Sabit (RA)

Hazrat Usman (RA)

Fatimah was married in AD 624 to Ali ibn Abi Talib (l. AD 601-661), a cousin of Prophet Muhammad, and the marriage lasted to the end of her days.
Hazrat Ali (R.A) was attacked with a poisoned sword On 19th Ramazan 40th Hijri,
before the time of FAJAR prayers to the mosque of Kufa.
He died on the 21st of Ramadan 40 A.H.
He was buried in Najaf al-Ashraf (Iraq).