The Messenger of Allah ﷺ used to bathe together with one of his wives from a single vessel.
حدثنا محمد بن جعفر قال حدثنا شعبة عن عبد الله بن عبد الله بن جبر أنه
أن رسول الله ﷺ كان يغتسل هو وامرأة من نسائه من إناء واحد
No references are available.
Its isnad is sahih. Abdullah bin Abdullah bin Jabr, though some said Jabir and others said Jubayr, is trustworthy, and his hadith is found in the collections of all six (al-Jamaah). The hadith has already appeared at the beginning of the Musnad of Anas.