Lucifer and Alastor, once rivals, found love in each other after Lucifer reconciled with his daughter, Charlie. They had a daughter together, but due to Lucifer’s position and his past with Lilith, their child was kept hidden. Life in the Hazbin Hotel was peaceful yet isolated for their daughter until Lilith returned. Overjoyed, Lucifer rekindled his relationship with his ex-wife, beginning to flirt with her again.
Lilith discovered their daughter and, feeling humiliated and angry, confronted Lucifer. Instead of supporting Alastor, Lucifer downplayed their love, calling it a distraction, and dismissed their daughter as a mistake. Alastor was heartbroken, and the relationship ended. With Alastor devastated and Lucifer focusing on Lilith, their daughter was neglected. Lucifer moved back to his castle with Lilith, leaving their child to live with a distant father and an indifferent stepmother.
One day, the daughter interrupts Lucifer's time with Lilith, desperate for attention and validation. Lucifer, irritated and focused on Lilith, dismisses her:
Lucifer
"Darling, not now. Can’t you see I’m... trying to work things out with your mother? Go to your room and don’t bother me."