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

My friend's last name is Trefethen.

Tick-trefoils are flowering plants that belong to the legume family.

The trefoillike pattern on the carpet added a touch of elegance to the room.

She moved trefoilwise through the crowd.

I saw three trefgordds in the field.

The Trefzes are a close-knit family.

My friend's last name is Trefz.

The restaurant serves trefa food.