Patri is the grandson of Nobel Prize-winning economist Milton Friedman and economist Rose Friedman and son of economist and physicist David D. Friedman.
Patri Friedman jest wnukiem laureata Nagrody Nobla w dziedzinie ekonomii, Miltona Friedmana i ekonomistki Rose Friedman, i synem ekonomisty i fizyka Davida D. Friedmana.