It is narrated from Sayyiduna Abdullah bin Abbas (may Allah be pleased with them both) that after Sayyidah Khadijah (may Allah be pleased with her), the first person to perform prayer with the Noble Prophet (peace and blessings be upon him and his family), or after her, the first to accept Islam, was Sayyiduna Ali (may Allah be pleased with him).
Hadith Referenceالفتح الربانی / كتاب الخلافة والإمارة / 12299
Hadith Gradingمحدثین:ضعیف
Hadith Takhrij«اسناده ضعيف بھذه السياقة، ابو بلج يحيي بن سليم يقبل حديثه فيما لا ينفرد به، اخرجه الترمذي: 3734، (انظر مسند أحمد ترقيم الرسالة: 3542 ترقیم بيت الأفكار الدولية: 3542»