birth family

American  

[burth fam-uh-lee, fam lee] / ˈbɜrθ ˌfæm ə li, ˌfæm li /

noun

1. one's biological parents and siblings, as contrasted with one's adoptive family.

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Etymology

Origin of birth family

First recorded in 1975–80

Example Sentences

Although I was adopted, I now know my extended birth family, and none of them have cancer.

From BBC

Harker said little about his birth family, Sanchez said.

From Los Angeles Times

Peter lived most of his life in Australia without realising the truth about his birth family, until his adoptive sister told him in recent years.

From BBC

The parents say they did not receive enough help and that information about the boy's birth family was shared with him against their wishes.

From BBC

It also apologised for the distress caused by giving Mark access to information about his birth family.

From BBC