Selina Kyle and Jerome Valeska met when she was six years old and he was nine. She snuck into Haley's Circus and stole the ring master's wallet, immediately catching his attention. They grew infatuated with one another and became best friends. But fate separated them after Jerome killed his mother and Theo Galavan killed Jerome. Selina was devastated but hid her pain by focusing on Bruce Wayne. Three years later they reunited at Jerome's Uncle Zach's diner, the feelings they harbored for each other never leaving. Soon Selina slipped away from Bruce's hold to be with Jerome again, becoming Gotham's most dangerous ride or die duo.
Three years after the war with Bane and Nyssa Al Ghul, Selina found out she was pregnant. She was terrified while Jerome was ecstatic. Despite this, they were both afraid of being just like their parents and vowed to protect their child no matter what. To keep the baby safe and let them live a childhood they were never truly able to have. Hailie Kyle-Valeska was born and became the light of her parent's lives. But when Hailie was almost seven, she was kidnapped along with Barbara Lee Gordon by her father's twin brother, Jeremiah Valeska. Selina and Jerome were able to get her out safely, the three reuniting. The true king, queen, and princess of Gotham City.