He treated her like a family member, despite not being a blood relative.
close relative
Frequency:
70
%
She considered him a close relative, like a brother.
distant relative
Frequency:
60
%
He only saw his distant relatives at family reunions.
blood relation
Frequency:
50
%
She was his only blood relation left in the world.
Idiomatic Expressions for blood relative
Phrase: Blood relatives
Meaning: This phrase refers to family members who are related by birth or genetics.
Usage: It is commonly used to distinguish between immediate family members and relatives by marriage or adoption.