Ubaydullah bin 'Abdullah bin 'Utba عبيد الله بن عبد الله بن عتبة بن مسعود · The Book of the Masjids

"We went out as a delegation to the Prophet (ﷺ); we gave him our oath of allegiance and prayed with him. We told him that in our land there was a church that belonged to us. We asked him to give us the leftovers of his purification (Wudu' water). So he called for water, performed Wudu' and rinsed out his mouth, then he poured it into a vessel and said to us: 'Leave, and when you return to your land,…

"While we were sitting in the Masjid. The Messenger of Allah (ﷺ) came out to us carrying Umamah bint Abi Al-'As bin Ar-Rabi', whose mother was Zainab, the daughter of the Messenger of Allah (ﷺ). She was a little girl and he was carrying her. The Messenger of Allah (ﷺ) prayed with her on his shoulder, putting her down when he bowed and picking her up again when he stood up, until he completed his prayer."