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

The Ruehls are a well-known family in the community.

My friend's last name is Ruehl.

My friend's last name is Ruehle.

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

He wore a ruefull expression on his face.

My friend's last name is Ruecroft.

The Rueggs are a lovely family.

My friend's last name is Rueb.

My friend's last name is Ruegg.