Using three waves of data drawn from the National Survey of Families and Households (n = 438 young adult children) we examined the process by which parental warmth and harsh parenting during childhood influences children's romantic relationship satisfaction in young adulthood. Harsh parenting was directly associated with children's relationship satisfaction, independently and in conjunction with parental warmth, whereas parental warmth was indirectly associated with relationship satisfaction through family cohesion during adolescence. Results were consistent across male and female young adults involved in married, dating, and cohabiting relationships. Findings from this prospective, longitudinal study coincide with previous research using adult children's retrospective reports of parenting behavior and highlight the importance of family of origin influences on romantic relationships in young adulthood