Lucas Prentiss was the son of Vanessa Prentiss. He had one brother, Lance Prentiss. In 1972, Lucas accidentally started a fire in his family's home and ran away. In 1977, after the death of her mother, Lorie Brooks started feeling closer to Vanessa and set out to find Lucas. Lorie found him and brought him to Genoa City. Vanessa was astonished to see her son for the first time in years and vetoed his plan to leave town. Vanessa was grateful to Lorie for bringing Lucas back into her life. Persuaded by Lucas, Vanessa underwent successful surgery for her scars. Vanessa was later shocked to learn that Lucas had married Leslie Brooks.