´It was narrated that 'Aishah said:` "A baby boy was brought to the Prophet who then urinated on him. He sprinkled over it with water and did not wash it."
Hadith ReferenceSunan Ibn Majah / The Book of Purification and its Sunnah / Hadith: 523
Hadith Gradingالألبانی:صحيح | زبیر علی زئی:صحيح مسلم