It was narrated from Nu'man bin Bashir that:
his father gave him a gift of a slave, and he came to the Prophet (ﷺ) so that he could witness the gift. He said: "Have you given something to all of your children?" He said: "No." He said: "Then take back (your gift)."
English reference: Vol. 3, Book 14, Hadith 2376
Arabic reference: Book 14, Hadith 2466