Jami` at-Tirmidhi 1141
جامع الترمذي#1141Da'ifAbu Hurairah narrated that:The Messenger of Allah said: "When a man has two wives and he is not just between them, he will come on the Day of Judgment with one side drooping
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Ahmad Muhammad ShakirSahih
Al-AlbaniSahih
Zubair Ali ZaiDaif
In-book reference: 11:63