His great-grandfather, Monroe Jackson Rathbone II, was the chairman of Standard Oil of New Jersey, which later became Exxon; Rathbone is also distantly related to Civil War general Stonewall Jackson and famous British actor Basil Rathbone.
== Zgodnje življenje ==Jackson Rathbone se je rodil kot Monroe Jackson Rathbone V v Singapurju kot sin ameriških staršev, Randee Lynn (rojena Brauner) in Monroea Jacksona Rathbonea IV.