The Prophet (ﷺ) received Ja'far ibn AbuTalib, embraced him and kissed him between both of his eyes (forehead).
Sunan Abi Dawud Book 43, Hadith 448
← Previous Hadith the prophet (ﷺ) said; Good tidings to you, ‘A’ishah, for Allah Most High has revealed your innocence. He then recited to her the Quranic verses. Her parents said: Kiss the head of the Messenger of Allah (ﷺ). I said : Praise be to Allah, most High, not to you.

Sunan Abi Dawud Book 43, Hadith 447 Next Hadith → Ilyas ibn Dighfal said: I saw AbuNadrah kissing on the cheek of al-Hasan.

Sunan Abi Dawud Book 43, Hadith 449