by birth

She would become one of the enemy, simply by birth.

"Was he Russian by birth or did someone turn them here?"

Any student can belong to it who is European by birth.

That made me, by birth as it were, a member of the Strauss family.

They sounded like men who had learned the language in a university, rather than by birth.

He was having 7 siblings, two of them died by birth.

But I have the right to it, by birth and blood.

Or, people can have a place in a social system by birth.

This bit of evidence has been used to show that he was French by birth.

Canadian by birth, he has lived and worked in London for over 40 years.