Replies: There is no known relationship between earthquakes and sunspots.

A container for branched files that has a known relationship to other such containers.

Swift gave no details, but media speculation over whom she was talking about quickly fell on Gyllenhaal, her last known relationship.

"Their system of reference has no known relationship with ours."

A useful method is to try to fit known relationships into a table and eliminate possibilities.

There is no known relationship between the Naman family name and the Hindu word.

Many locations have no known and realistic relationship with the Yangs, yet still claim that events from the stories occurred there.

Tesla, though polite and soft-spoken, did not have any known relationships.

There is a known relationship between inflammation and muscle growth.

No modern breeds have any known genetic relationship with extant dogs.