Josh Allen Girlfriend Rumors Explaining Why Bills QB’s Josh Allen's sibling is a talented player in his own right. He follows in the footsteps his notable sibling has accomplished in the sport. While Allen has made a name for himself as a quarterback in the National Football League, his sibling opted a different route. However, Josh Allen brother is determined to create his unique legacy within the world of sports. Having passion and natural talent, Josh Allen brother aims to excel in his selected field just like his esteemed brother. Whether competing in the same division or not, Josh Allen brother stays a source of inspiration and support for Allen, rooting for him all the way from the sidelines.