My maternal aunt took me to the Messenger of Allah ﷺ and said, "Messenger of Allah, my sister's son is ill." He wiped my head and prayed for me to be blessed.
ذهبت بي خالتي إلى رسول الله ﷺ فقالت: يا رسول الله إن ابن أختي وجع، فمسح رأسي ودعا لي بالبركة.
Bukhari related it in "The Sick" (5670), and Muslim in "Virtues" (2345), both from the hadith of Hatim bin Ismail, from Jad bin Abdul-Rahman, who said, I heard Saaib bin Yazid saying, then he mentioned it.