The Prophet ﷺ said, "Your children are among the finest of your earnings, so eat from what your children earn."
حدثنا سفيان عن الأعمش عن إبراهيم عن عمارة عن عمة له
عن النبي ﷺ إن أولادكم من أطيب كسبكم فكلوا من كسب أولادكم
Its isnad is hasan, and it was already mentioned at 23914 that Tirmidhi and others graded the hadith sahih despite the fact that the aunt of Umara bin Umayr is unknown.