Jefferson family

Jefferson Family is a wealthy family in Greg's neighbourhood,despite being Rowley's family very less is known about this family,the only known extended family Member is Grandpa Jefferson.

Known Members
             Nuclear Family Extended Family
 * Linda Jefferson-Mother of Rowley,Wife of Robert
 * Robert Jefferson-Father of Rowley,Husband of Linda
 * Rowley Jefferson-Only Child
 * Grandpa Jefferson-Robert's Father