Yahya bin Bukayr said: Sa'id bin Zayd bin Amr bin Nufayl (may Allah be pleased with him) passed away in the year 51 AH, when he was in his seventies, and he was buried in Madinah. He passed away at al-Aqiq, and Sa'd bin Abi Waqqas and Ibn Umar (may Allah be pleased with them) went down into his grave. His kunyah was Abu al-A'war.
Hadith Referenceالمعجم الكبير للطبراني / العشرة / 337