The Prophet (ﷺ) said: The intercession of a martyr will be accepted for seventy members of his family.

Abu Dawud said: The correct name if the narrator is Rabah b. al-Walid (and not al-walid b. Rabah as occurred in the chain of narrators in the text of the tradition)
Sunan Abi Dawud Book 15, Hadith 46
← Previous Hadith She reported on the authority of her paternal uncle: I asked the Prophet (ﷺ): Who are in Paradise? He replied: Prophets are in Paradise, martyrs are in Paradise, infants are in Paradise and children buried alive are in Paradise.

Sunan Abi Dawud Book 15, Hadith 45 Next Hadith → When Negus died, we were told that a light would be seen perpetually at his grave.

Sunan Abi Dawud Book 15, Hadith 47