Ibn Abi Mulaika narrates that Mu'adh bin Abdullah bin Ubaidullah bin Ma'mar came to Aisha (may Allah be pleased with her) and said to her: "I have a slave woman with whom I have relations, and her daughter is also my slave woman. So can I have relations with her daughter as well?" Aisha (may Allah be pleased with her) replied: "No." He said: "I will not leave her until you say that Allah Almighty has declared this forbidden." Upon this, Aisha (may Allah be pleased with her) said: "Neither will anyone from my household do such a thing, nor anyone who follows my words."
Hadith Referenceمسند الإمام الشافعي / كتاب النكاح / 1170
Hadith Takhrijصحيح: اخرجه البيهقي: 7 / 164 - وفى المعرفة السنن والآثار له (4159) - وعبدالرزاق (12731)، (12734) - وابن ابي شيبة (16243)۔