Ata narrates from Sayyiduna Abdullah bin Abbas (may Allah be pleased with them both) that Sayyidah Qurayba bint Abi Umayyah (may Allah be pleased with her) was married to Sayyiduna Umar (may Allah be pleased with him); he divorced her, and then Sayyiduna Mu'awiyah bin Abi Sufyan (may Allah be pleased with them both) married her. And Sayyidah Umm al-Hakam bint Abi Sufyan (may Allah be pleased with her) was married to Sayyiduna Iyad bin Ghanm al-Fihri (may Allah be pleased with him); he divorced her, and then Sayyiduna Abdullah bin Uthman al-Thaqafi (may Allah be pleased with him) married her.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب النكاح / 13972