What are shoestring relatives?

The phrase "shoestring relatives" is not a common or widely recognized term. It doesn't have a specific meaning in genealogy or family relationships.

It's possible that it's a slang term or a regional expression. If you heard it somewhere, it would be helpful to provide more context:

* Where did you hear it? (e.g., in a book, a TV show, a conversation)

* What was the context? (e.g., what was the speaker talking about?)

With more information, I might be able to understand what the speaker meant by "shoestring relatives."