His father had given him a slave as a gift, and he came to the Prophet ﷺ to have him witness it.The Prophet ﷺ asked, "Have you given the same to all your children?"He replied, "No."The Prophet ﷺ said, "Then take it back."
حدثنا هشام بن عمار حدثنا سفيان عن الزهري عن حميد بن عبد الرحمن ومحمد بن النعمان بن بشير أخبراه
أن أباه نحله غلاما وأنه جاء إلى النبي ﷺ يشهده فقال أكل ولدك نحلته قال لا قال فاردده
Bukhari transmitted it in "The Book of Gifts, Their Merit, and Encouragement Toward Them," chapter on gifts to one's child, no. 2586, and Muslim in "The Book of Gifts," the aforementioned chapter, no. 1623, from the hadith of Zuhri, with the same content.