Complex sentence: Dolly Cifuentes Villa gained notoriety upon her arrest after Colombian media discovered her romantic affair with Jaime Alberto Uribe Velez, the brother of a former President of Colombia, Alvaro Uribe.
Split into simpler sentences: Dolly Cifuentes Villa gained notoriety upon her arrest after Colombian media discovered her romantic affair with Jaime Alberto Uribe Velez. Uribe was the brother of a former President of Colombia, Alvaro Uribe.