blood relation

American  

Or blood relative

noun

1. one related by birth.

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blood relation British  

noun

1. a person related to another by birth, as distinct from one related by marriage

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Etymology

Origin of blood relation

First recorded in 1700–10

Example Sentences

He’s been married since the ’90s, raising two stepdaughters and taking on the role of “Papa” to three grandkids who despite having no blood relation to Egypt look exactly like him.

From Los Angeles Times

As for her new blood relations, she says the situation has been more difficult.

From BBC

Creon chose to designate his nephew’s body as that of a traitor, ignoring their blood relation, thereby sealing his fate and that of his entire family.

From Salon

They were not blood relations, but the name, which means “plum” in Chinese, as well as their origins in China’s Guangdong, or Canton, province, bound them like siblings.

From Los Angeles Times

No one had ever staged a full-scale show of David’s works on paper, and this one offered an unusual vista of an artist whose grand paintings put reason before passion, and ideals before blood relations.

From New York Times