blood siblings

Shared-parent children together

Blood siblings are brothers or sisters who share at least one biological parent, as distinguished from step-siblings or adopted siblings.

The term emphasizes genetic relationship: She has two blood siblings and three step-siblings from her father's remarriage.

Sometimes shortened to blood sibs.

Related

cousins · relatives · families · DNA · shared genes · heredity · adoption · lineage · biology · family resemblance · genetics · parentage · offspring · birth order · ancestry · shared history · loyalty · genealogy

Opposites
biological vs. non-biological family relationship

blood siblingsstep-siblings

Children of remarried parents

adoptive siblings · stepsiblings · half-siblings · stepbrother · stepsister

relatedness by birth vs. relatedness by choice/law

blood siblingschosen family

Intentionally formed kinship network

found family · siblings-in-law · sworn brothers · blood brothers

legal/chosen vs. innate family bonds

blood siblingsstep-siblings

Children of remarried parents

found family · non-relatives · strangers

Family

blood, bloods, bloody, bloodied, bloodying, bloodily, bloodiness, bleeds, bleeding

Familiarity
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Profile
Known to kids · Used worldwide · Timeless · Concrete · Everyday, not technical · Rated G