Mihály was born on September 1st, 1894. Mihály's father was Lajos Peterdy and his mother was Mária Gyetvan. His paternal grandparents were János Peterdi and Borbála Csóbod. He had a brother and four sisters, named János, Borbála, Etelka, Mária and Ilona. He was the oldest of the six children. He died at the age of 50 in 1944.