Gyula Bóna was born 7 May 1908, Hernádpetri, Borsod-Abaúj-Zemplén, Hungary.
Gyula married Erzsébet Nagy 16 Dec 1936, Nemesbikk, Borsod, Hungary. Erzsébet (daughter of Sándor Nagy and Anna Mléh) was born 19 Apr 1917, Nemesbikk, Borsod, Hungary; died 16 Dec 1939, Nemesbikk, Borsod, Hungary. [Group Sheet]