half relationship
Half-sibling
Half-brother or half-sister
Definition
A half-sibling shares exactly one biological parent with you.
How the relationship works
The sideways sibling link is marked half. Downstream relatives through a half-sibling are often described with a half- prefix in careful usage.
Example path
Half-brother
Path: You → Half-brother
“brother” is a direct kinship term from you to that person.
Frequently confused with
- Step-sibling
FAQ
Are half-siblings blood relatives?
Yes. They share genetic ancestry through one parent.