Štěpán Krist was born on December 24th, 1879 in Vlkoš near Kyjov, Czech Republic.
His birth record can be found on Acta Publica. He was born to Jakub Krist and Mariana Krist. Jakub's parents were Jiří Krist from Skoronic (today's Skoronice) and Marina Janoušek from Vlkoš. Mariana's parents were Martin Krist from Vlkoš and Mariana Lung from Skoronic.