The sommelières at the restaurant are knowledgeable about wine.

She is a sommelière and has an extensive knowledge of wines.

The Sommers are going on vacation.

My friend's last name is Sommerville.

The Sommervilles are a lovely family.

The Sommerfelds are a well-known family in the town.

My friend's last name is Sommerfeld.

Sommelieres are experts in wine and food pairings.

Sommerfeld's constant is a fundamental constant in physics.

My friend's last name is Sommerfield.