<P> Daniel Robert "Dan" Scott is a fictional character on the The WB / CW television drama series One Tree Hill who is the primary antagonist for the first four seasons before becoming a tragic fallen antihero and is played by Paul Johansson . He is the father of Lucas Scott (by Karen Roe) and Nathan Scott (by Deborah Lee), the grandfather of James Lucas Scott (via Nathan) and Sawyer Brooke Scott (via Lucas) and the uncle of Lily Roe Scott . </P> <P> Every good story needs a villain Lucas . I'm sorry but I'm yours . </P> <P> Dan grew up in Tree Hill, NC and attended Tree Hill High, where he was the star of the Ravens basketball team . Towards the end of senior year, Dan got his girlfriend Karen Roe pregnant, but abandoned her to take a basketball scholarship to North Carolina . At college he met Deb Lee, who also became pregnant by him . Dan returned to Tree Hill on the night his and Karen's son Lucas was born but, on seeing Keith with Karen at the hospital, Dan left without Karen seeing him . Dan and Deb married and moved back to Tree Hill with their son Nathan . Dan tried to get joint custody of Lucas, but Karen refused and Dan gave up on trying to be part of Lucas's life . He later became a successful car salesman having set up his own business with Deb's money . Dan is a man with big dreams and expectations, especially regarding his son Nathan, but he doesn't handle it very well when they're not fulfilled . </P> <P> Dan is a controlling father to Nathan, who is now the Ravens' star player, but has nothing to do with Lucas . When Lucas joins the Ravens, Dan encourages Nathan to give his half - brother a hard time . Dan puts so much pressure on Nathan that Nathan takes drugs to enhance his basketball performance, leading to him collapsing on the court . When Deb finds out, she asks Dan for a divorce . When Dan's parents come to town for Dan's birthday, it is revealed that Dan's father Royal put similar pressure on Dan and that Dan faked the extent of an injury he suffered in college in order to give up basketball . Dan also has an uneasy relationship with Keith, due to Keith's continuing friendship with Karen . When Keith crashes the car he is driving with Lucas inside, Dan pulls Lucas from the car and saves his life, leading to a temporary truce with Karen . Keith is left in financial difficulty due to Lucas's medical bills and Dan offers to buy Keith's garage from him while Keith continues to run it . However, it soon becomes clear that Dan will be running the garage in his own way and Keith quits . After being rejected by Karen, Keith turns to Deb for comfort and they have a one - night stand . On walking in on them in bed together, Dan tells Keith that he is no longer his brother . Dan is about to sign his divorce papers to Deb when he suffers a heart attack . When Deb finds Dan on the floor, Dan tells her "you'd better hope I die ." </P>

Who does dan marry in one tree hill