English version

blood relation

From Longman Dictionary of Contemporary Englishblood relationˈblood reˌlation (also blood relative) noun [countable]  FAMILYsomeone related to you by birth rather than by marriage
Examples from the Corpus
blood relationHe could be the next-door neighbour, a friend, a blood relation.The midwife toad has a blood relation, the northern midwife, much alike in appearance.
Pictures of the day
Do you know what each of these is called?
Click on the pictures to check.
Word of the day atypical not typical or usual