It is narrated from Sayyidah Aishah (may Allah be pleased with her) that the Prophet (peace and blessings be upon him) and I would begin the ritual bath (ghusl) together from a single vessel, while we were both in a state of major ritual impurity (janabah).
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الطهارة / 897