That the Messenger of Allah (ﷺ) was asked: "Which of the people of your house are most beloved to you?" He said: "Al-Hasan and Al-Husain." And he used to say to Fatimah: "Call my two sons for me so that I may smell them." And he would hug them.
Jami` at-Tirmidhi Book 49, Hadith 171
← Previous Hadith "I entered upon Umm Salamah while she was crying, so I said: 'What causes you to cry?' She said: 'I saw the Messenger of Allah - that is, in a dream - and there was was dirt on his head and his beard. so I said: "What is wrong with you, O Messenger of Allah?" He said: 'I just witnessed the killing of Al-Husain.'"

Jami` at-Tirmidhi Book 49, Hadith 170 Next Hadith → that the Messenger of Allah (ﷺ) ascended the Minbar and said: "Indeed, this son of mine is a chief, Allah shall bring peace between two parties through his hands."

Jami` at-Tirmidhi Book 49, Hadith 172