The narrator narrates from his grandfather that the Messenger of Allah (peace and blessings be upon him) said: "By the One in whose Hand is my soul, it is written with Allah in the seventh heaven: Hamzah bin Abd al-Muttalib, the lion of Allah and the lion of His Messenger."
Hadith Referenceالمعجم الكبير للطبراني / باب الحاء / 2939