src: ard.bmj.com
A first-degree relative is one's offspring, sibling or parent. It constitutes a category of family members that largely overlaps with the term nuclear family, but without spouses. First degree relatives are a common measure used to diagnose risks for common diseases by analyzing family history.
According to Consanguinity, however, siblings are second-degree relatives.
Video First-degree relatives
See also
- Second degree relatives
- Family
Maps First-degree relatives
References
Source of the article : Wikipedia