Question 1

When was Jan Kostka born?

Accepted Answer

Jan Kostka was born on 1556-01-01.

Question 2

When did Jan Kostka die?

Accepted Answer

Jan Kostka died on 1582-01-01.

Question 3

Who were Jan Kostka's parents?

Accepted Answer

Jan Kostka's parents were Jan Kostka.

Jan Kostka

Parents