Frigyes Riesz's father Ignácz Riesz was a medical man and Frigyes's his younger brother, Marcel Riesz, was himself a famous mathematician.
Frigyes Riesz 's ama Ignácz Riesz ay isang medikal na tao at Frigyes ng kanyang batang kapatid na lalaki, Marcel Riesz, siya mismo ay isang tanyag dalub-agbilang.