consanguinity
property of being from the same kinship as another person; quality of being descended from the same ancestor as another person
en-US/ˌkɑnsæŋˈɡwɪnɪti/
en-GB/kɒnsæŋɡwɪnɪtiː/
property of being from the same kinship as another person; quality of being descended from the same ancestor as another person