An Nisa’ Ayah 22

وَلَا تَنكِحُواْ مَا نَكَحَ ءَابَآؤُكُم مِّنَ ٱلنِّسَآءِ إِلَّا مَا قَدْ سَلَفَ‌ۚ إِنَّهُۥ كَانَ فَـٰحِشَةً وَمَقْتًا وَسَآءَ سَبِيلاً ٢٢ Do not marry former wives of your fathers—except what was done previously. It was indeed a shameful, despicable, and evil practice.