Jan Sarkander was born into a Silesian (Bohemian-Polish) family, father Gregory Matthias Sarkander and mother Helena née Górecka of Kornicz (Kornitz), at Skoczów in Duchy of Teschen (Silesia).
Jan Sarkander was born into a Silesian (Bohemian) family in Duchy of Teschen (Silesia). This was at Skoczów. Jan Sarkander was born into father Gregory Matthias Sarkander in Duchy of Teschen (Silesia). This was at Skoczów. Jan Sarkander was born into mother Helena née Górecka of Kornicz (Kornitz) in Duchy of Teschen (Silesia). This was at Skoczów. Bohemian was Polish.