´Narrated An-Nu'man bin Bashir:` That his father gave a slave to a son of his. So he went to the Prophet (ﷺ) to have him witness it. He (ﷺ) said: 'Have you given a gift similar to this one to all of your sons?' He replied: 'No'. So he said: 'Then take him back.'"
Hadith Referenceسنن ترمذي / كتاب الأحكام عن رسول الله صلى الله عليه وسلم / 1367
Hadith Gradingالألبانی:صحيح، ابن ماجة (2375 - 2376)