In reality, it turned out that Rex Sterling was actually Bryan Romalotti, father of rock star Danny Romalotti (Michael Damian) and Gina Roma (Patty Weaver), per Soap Central. As Rex romanced Katherine, the two fell for each other. Making matters worse, Jill had also started developing feelings for Rex. He decided to end his deal with Jill, so she turned around and gave Katherine proof that Rex had been bought and sold by her showing her receipts of all the things he had purchased for Katherine. Owning up to his part in the deal, Rex signed a prenuptial agreement with Katherine to prove he really loved her. Katherine still loved him as well, and the two were married (via Soap Hub).
However, Clint Radison (James Michael Gregary), a former cellmate of Rex when he was in jail, came to Genoa City. According to Soaps, Clint had found a doppelganger of Katherine named Marge Cotroke (also Jeanne Cooper) and devised a scheme to steal Katherine's riches. With the help of Morey (Morey Amsterdam) and Lil (Lilyan Chauvin) — whom he had installed as servants in the Chancellor estate — they trained Marge to mimic Katherine in every way. They kidnapped Kay and her maid, Esther Valentine (Kate Linder), replacing her with Marge. Realizing something about Kay had changed, Rex left her, and Jill convinced him to get a divorce. Rex and Jill then eventually got married.
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