Examples:

• A man whose only claim to fame is his sister-in-law.
• That'll be your claim to fame.
• Every known pop star or actor is now dabbling with their respective signature perfume, it has become a sort of rite of passage and claim to fame.
• This is a common practice when a paternal surname is a common surname and/or when the corresponding maternal surname has some claim to fame.
• They have an undeniable claim to fame and fortune.
• Oh, it's our little claim to fame.
• My one little claim to fame, staring at me from the wall.
• That's my new claim to fame.
• What's your claim to fame?
• It's my claim to fame.