Bystrík was probably of Slavic or Hungarian origin. The exact place and time of birth of St. Bystrík is unknown, however he seems to have come from aristocratic family who had been Christianised in the mission of Cyril and Methodius before the end of the Great Moravian Empire in 907 AD.
The origins of Bystrík are probably Slavic or Hungarian, but his exact birthplace and time of birth remain unknown. He likely came from an aristocratic family that had been converted to Christianity by Cyril and Methodius before the fall of the Great Moravian Empire in 907 AD.