Kate and Victor began falling in love, but Kate was haunted by her past.

Sadly, Kate also had two other children whom she was estranged from for several years.

Kate’s first husband, Curtis, was a truly terrible man who made Kate’s life miserable.

Lauren Koslow as Kate Roberts.

However, he faked their deaths and changed their names.

Eventually, the truth came out that Billie and Austin were actually Kate and Curtis' children.

Kate, Lucas, Billie, and Austin were all stunned by the revelation.

Lisa Rinna and Austin Peck.

However, it was ultimately discovered that Stefano DiMera (Joseph Mascolo) had killed Curtis.

Lauren Koslow at an event.