Hadith No: 2
Ibn Hibban - Sahih Ibn Hibban - Book of His (peace be upon him and his holy progeny) Reports on the Virtues of the Companions, Their Men
Mention of al-Hasan and al-Husayn, the Grandsons of the Messenger of Allah (peace be upon him and his holy progeny)
Volume: (15) - Page Number: (413)
6960 - Al-Hasan ibn Sufyan narrated to us, saying: Abu Bakr ibn Abi Shayba narrated to us, saying: Zayd ibn al-Habbab narrated to us, from Isra'il, from Maysarah al-Nahdi, from al-Manhal ibn Amr, from Zur ibn Hubaysh,
from Hudhayfah, who said: "I went to the Prophet (peace be upon him and his holy progeny) and prayed with him the Maghrib prayer. Then he stood up to pray and continued until he prayed the Isha prayer. Then he exited, and I followed him. He said: 'A angel came to me and asked my Lord for permission to greet me with peace and informed me that al-Hasan and al-Husayn are the masters of the youth of the people of Paradise.'"