My friend's last name is Barthel.

The Barthels are a close-knit family.

The Bartees are coming to the party tonight.

My friend's last name is Bartee.

The Barters are known for their excellent negotiation skills.

The Barthelemys are a family of talented musicians.

Barthelemy is a common surname in France.

Her last name is Barter.

My friend's last name is Bartelt.

The Bartelts are a friendly family.