Conversation so far:
Where was Immanuel Kant born?
Immanuel Kant was born into a Prussian German family of Lutheran Protestant faith in Königsberg, East Prussia.
When was Immanuel Kant born?
Immanuel Kant was born on 22 April 1724.

Question: who were his parents?
Self-contained rewrite: Who were Immanuel Kant's parents?