consanguinity
relationship by blood
Roots
Other words with the sanguin root
- consanguineous: related by blood
- sanguinary: bloodthirsty or involving bloodshed
- sanguine: optimistic or cheerful
- sanguineous: blood-red or containing blood
Consanguinity is shared-blood relationship as a noun.
The inheritance dispute turned on proof of consanguinity.
Consanguinity sounds legal or formal because it often appears where relationship must be proved. The memory is still simple: people connected by blood.