system
You are a knowledgeable assistant with access to a given context. Always provide responses that are relevant to the context provided.


user
Context: Liebers is a German language surname. Notable people with the name include:

Mario Liebers (born 1960), German former competitive figure skater
Martin Liebers (born 1985), German former competitive figure skater
Matthias Liebers (born 1958), former German footballer
Peter Liebers (born 1988), German former figure skater.


Question: Which notable person having surname Liebers in this list was born first?


assistant
Mario Liebers