Barnabás was born on August 22nd, 1899 in Aranyos.1 Barnabás' father was József Réti and his mother was Eszter Borza. He had a brother and two sisters, named Barnabás, Zsanet and Etel. He was the oldest of the four children. He died as an infant, veleszületett gyengeség, at just 17 days old on September 8th, 1899 in Aranyos.1