Sahih Muslim
The Book of Virtue, Good Manners and Joining of the Ties of Relationship (Kitab Al-Birr was-Salat-I-wal-Adab)
Book Number: 032 / Hadith Number: 6252
Abu Huraira reported Allah's Messenger (may peace be upon him) as saying: The claimants would get their claims on the Day of Ressurection so much so that the hornless sheep would get its claim from the horned sheep.