وَحَدَّثَنِي عَنْ مَالِكٍ، عَنْ نَافِعٍ، أَنَّ عَبْدَ اللَّهِ بْنَ عُمَرَ، كَانَ يَقُولُ إِنْ كَانَ الرِّجَالُ وَالنِّسَاءُ فِي زَمَانِ رَسُولِ اللَّهِ صلى الله عليه وسلم لَيَتَوَضَّئُونَ جَمِيعًا ‏.‏

Yahya related to me from Malik from Nafi that Abdullah ibn Umarused to say that men and their wives used to do wudu together in thetime of the Messenger of Allah. Translation Not Available

Book Ref: Muwatta Imam Malik Book 2 Hadith 45
Web Ref:  Muwatta Imam Malik Book 2 Hadith 15