Klára was born on May 3rd, 1880 in Aranyos and her christening took place there on May 4th, 1880 conducted by minister Nyilas Alajos.1 Her godfather was Érsok János and her godmother was Székely Klára. Klára's father was Ifj János Tóbiás and her mother was Eszter Réti. Her paternal grandparents were János Tóbiás and Julianna Kis; her maternal grandparents were József Réti (Szeti?) and Eszter Faragó. She had two brothers named Lajos and Flórián. She was the oldest of the three children.