One-fifth of Booty to the Cause of Allah (Khumus)
Bukhari :: Book 4 :: Volume 53 :: Hadith 379
Narrated Asma bint Abu Bakr:
I used to carry the date stones on my head from the land of Az-Zubair which Allah's Apostle had given to him, and it was at a distance of 2/3 of a Farsakh from my house.
Narrated Hisham's father: The Prophet (gave Az-Zubair a piece of land from the property of Bani An-Nadir (gained as war booty).