Over the years, Lucas Horton (Bryan Dattilo) has become a mainstay on "Days of Our Lives."

The first appearance of the character, Lucas Roberts, occurred in 1993 when he arrived in Salem with his mother, Kate Roberts (Lauren Koslow).

When things did not go their way, Sami and Lucas sought solace in one another and developed a close relationship.

Who Is the Real Father of Lucas Horton on Days of Our Lives?