Conversation so far:
Are Albrecht Dürer's parents names known?
Albrecht Dürer's fathers name was Albrecht Dürer the Elder, and his mother's name was Barbara Holper.
Is anything known of Albrecht Dürer's mother?
Albrecht Dürer's mother's name was Barbara Holper.
Did Albrecht Dürer receive any formal education?
Albrecht Dürer lacked a formal classical education.
Did Albrecht Dürer move away when he began his apprenticeship?
Albrecht Dürer was to spend about four years away.
Did Albrecht Dürer marry during these four years away?
Albrecht Dürer married Agnes Frey
Did Albrecht Dürer have children with Agnes Frey?
No children resulted from the marriage of Albrecht Dürer and Agnes Frey.

Question: When did he leave his apprentice work?
Self-contained rewrite: When did Albrecht Dürer leave his apprentice work?