Jacob James/Family

Haley James Scott
Relationship: Sister"I still need you Cub"

- Haley to Jacob

Jacob and Haley are two very close siblings who always turn to each other in their times of need and Jacob thought of Haley as his hero. When Jacob began dating Emma Valentine a girl he'd met at church, Haley didn't trust her brother's girlfriend at first. During his sophomore year of high school, Jacob asked Haley to tutor him after failing a test and the two bond more. When Haley and Nathan got married, Jacob felt he had no more use in Haley's life and decided to live with Emma and Rebecca at the time, however when Haley left Tree Hill to go on tour with Chris Keller, Jacob disowned her which obviously hurt Haley's feelings. In season 3, Jacob risked his life to save Haley during the school shooting, after Jimmy Edwards held her hostage inside the tutor center along with Emma. After graduating from high school, Jacob departed from Tree Hill for college, but would frequently check on Haley via a phone call. While the scandal with Renee was going on, Jacob temporarily took over Red Bedroom Records. When their mother passed away, Jacob decided to stay with Haley and help her, through the loss. After Haley has her daughter Lydia Scott, Jacob and Emma had their first child, Jillian Haley Quinn James, named after both Haley and Quinn.

Quinn James
Relationship: Sister

"You're my big sister Quinn, I'm always going to butt in."

- Jacob to Quinn

Jacob has a different type of relationship with his older sister Quinn. However, Jacob always favored Quinn for unknown reasons, and Quinn always claimed him to be her person even when things got rough. After Quinn's return home, she sought her brother's guidance and revealed that she left David. To keep her from the drama at Haley and Nathan's, Jacob allowed Quinn to stay with him for as long as she needed. However, after David arrives to Tree Hill, Jacob accused David of taking Quinn away from him. During the fashion show, Quinn stood up to David for calling Jacob retarded