1. A relative connected by blood; a family member related through descent from a common ancestor
My blood relatives attended the family reunion.
Meus parentes consanguíneos compareceram ao encontro familiar.
2. In legal contexts, a person related by blood as opposed to by marriage or adoption
For inheritance purposes, blood relatives have priority over in-laws.
Para fins de herança, os parentes consanguíneos têm prioridade sobre os parentes por afinidade.