Does English has a term called ''relative by blood''?

Let's say you are reminding your relative that:

''I ain't just like the others, coz I am your relative... by blood''

There's ''blood relative'' term by googling, but I ain't sure if you can break it down, as for the word order I have just done here.


The idea of being related "by blood" is very common, but as @stangdon points out in the comments, the exact wording "relative by blood" is not common.

It's far more common to say "related by blood".

You example sounds odd to me, since someone using otherwise questionable grammar likely would not say something so out of the ordinary like "relative by blood".

This sounds more natural to me:

"I ain't just like the others, coz we're related... by blood"

  • Nice! I think this is what I should be saying after you have re-word my sentence. Thx very much. – John Arvin Apr 30 '18 at 21:26

Yes, a relative by blood is the opposite of the case, "a relative by marriage".

A brother is a relative by blood; my brother's wife is a "sister-in-law", a relative by marriage.

  • Where are you from? Have you heard this specific phrase I'm asking in you country or something you have come across... – John Arvin Apr 30 '18 at 18:00
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    I'm from the United States. "Relative by blood" is not uncommon. I've used it, heard it used, etc. It's more formal, but not awkwardly so. It's the difference between saying, "the mother of my child" and "my kid's mom." – Ivan Wohner Apr 30 '18 at 18:03
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    @JohnA - It's not obscure; you can even find it used on t-shirts. – J.R. Apr 30 '18 at 18:09

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