It was narrated that Ibn 'Umar said:"Men and women used to perform Wudu' together during the time of the Messenger of Allah (ﷺ)
Hadith No. 71
Sunan an Nasai
Gradings:
Abu Ghuddah:
Sahih
Al-Albani:
Sahih
Zubair Ali Zai:
Sahih Bukhari