Santiago Ferrer Parents: Sean Hepburn Ferrer, Giovanna Gregori Ferrer
Santiago Ferrer Sibling: Gregorio Ferrer, Emma Kathleen Ferrer
Santiago Ferrer Uncle: Luca Dotti, Mark Young Ferrer, Christopher Ferrer
Santiago Ferrer Grandparent: Audrey Hepburn, Mel Ferrer
Santiago Ferrer Great grandparent: Ella van Heemstra, Joseph Victor Anthony Ruston, Jos Mara Ferrer, Mary Matilda Irene O'Donohue
