 The Westmeath County Library system has a collection of his papers, manuscripts and other materials.Most of Broderick's family were born and reared in Athlone, and many still live there today.John Broderick is third cousins to Shauna, Cliodhna and Aisling Golden, three sisters who perform together as a singing act called "The Golden Sisters" who were quarter finalists on the RTÉ prime-time show "The All Ireland Talent Show".