Conversation so far:
When was Immanuel Kant born?
Immanuel Kant was born on April 22, 1724.
Where was Immanuel Kant born?
Immanueel Kant was born in Königsberg, East Prussia.
Who were Immanuel Kant's parents?
Immanuel Kant's mother was Anna Regina Reuter and Kant's father was Johann Georg Kant .
Is there any more information about Immanuel Kant's father?
Immanuel Kant's father, Johann Georg Kant, was a German harness maker from Memel, at the time Prussia's most northeastern city.

Question: Did he have any siblings?
Self-contained rewrite: Did Immanuel Kant have any siblings?