Muhammad bin Ishaq says: Sayyidah Zaynab bint Jahsh (may Allah be pleased with her), the wife of the Prophet (peace and blessings be upon him), passed away in 20 AH.
At-Tabarani recorded it, and its narrators (are reliable).
Hadith Referenceمجمع الزوائد ومنبع الفوائد / كتاب المناقب / 15355
Hadith Gradingمحدثین:إسنادہ صحیح
Hadith Takhrij«اخرجه الطبراني فى المعجم الكبير (38/24)»