In England we tend to use the word relatives to mean people part of the family group but generally not immediate family, as in mother/father/wife/husband/son/daughter, while relations tends to be more personal.
I think the word has become blurred with relationship, or as in having relations with a specific person.

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I don't believe in mathematics. Albert Einstein

Biologically speaking, if something bites you it's more likely to be female. Desmond Morris.

Quantum analysis is scientific dithering

Professor Frink: My observations n'hey, n'hey, show the universe could be a torus Weh, uh, or toriod it may like the typewriters and bananas and the monkeys with big teeth the biting the screaming Mm-hai!

Homer: mmmmm... doughnuts!