It is narrated from Sayyida Umm Salama (may Allah be pleased with her) that when the Noble Prophet (peace and blessings be upon him) married her, he said to her: Whatever I have given to your sisters, I will not give you less than that. There are two millstones, one water skin, and a leather mattress filled with leaves.
Hadith Takhrij«ھذا اسناد ضعيف لجھالة ابن عمر بن ابي سلمة، أخرجه ابن حبان: 2949، والحاكم: 2/ 178، وابويعلي: 6907 ، (انظر مسند أحمد ترقيم الرسالة: 26529 ترقیم بيت الأفكار الدولية: 27064»
Brief Explanation
Benefits: … By "sisters" is meant Islamic sisters, that is, in terms of the Islamic relationship, the Mothers of the Believers (Ummahat al-Mu'minin) were sisters to one another.