The Messenger of Allah ﷺ one day went around to all of his wives with a single bath.
حدثنا مسدد بن مسرهد حدثنا إسمعيل حدثنا حميد الطويل
أن رسول الله ﷺ طاف ذات يوم على نسائه في غسل واحد
Sahih. Nasai reported it in Kitab al-Tahara, chapter on approaching women before performing ghusl, hadith no. 264, from the hadith of Ismail bin Ibrahim, who is Ibn Ulaya, with this chain.