Jami` at-Tirmidhi 1143
جامع الترمذي#1143Da'ifIbn Abbas narrated:"The Prophet returned his daughter Zainab to Abul-As bin Ar-Rabi after six years in the first marriage without renewing the marriage
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: 11:65