Hero's Lover

Villains who have been (or still are) "lovers" of a hero, of a hero or heroine, whether it was true love, a sexual relationship, marriage, an affair, a one-time fling, or just a lie. These villains can also be the love interest of the hero or heroine, and may want to make the villain or villainess switch sides. The love from the hero may even redeem the villain (though there are some exceptions).