Quran 4:22 from Surah An-Nisaa on Divine Marvels.
وَلَا تَنكِحُواْ مَا نَكَحَ ءَابَآؤُكُم مِّنَ ٱلنِّسَآءِ إِلَّا مَا قَدۡ سَلَفَۚ إِنَّهُۥ كَانَ فَٰحِشَةٗ وَمَقۡتٗا وَسَآءَ سَبِيلًا
English translation: And (do) not marry whom married your fathers of the women except what has passed before indeed it was an immorality and hateful and (an) evil way
Transliteration: wala tankihu ma nakaha abaukum mina al-nisai illa ma qad salafa innahu kana fahishatan wamaqtan wasaa sabilan