Josh Allen Siblings Meet Jason Allen Makenna Allen and Josh Allen brother is a talented player in his own right. He follows in the footsteps his famous brother has accomplished in the sport. While Allen has made a name for himself as a quarterback in the National Football League, his sibling chose a different route. However, Josh Allen brother is determined to create his own legacy in the world of sports. Having a strong work ethic and innate abilities, he endeavors to excel in his selected field just like his accomplished brother. Whether competing in the same division or not, Allen's brother remains a source of inspiration and encouragement for Allen, rooting for him all the way from the sidelines.