consanguineous
adjective
[ ˌkɒnsaŋˈɡwɪnɪəs ]
• relating to or denoting people descended from the same ancestor.
• "consanguineous marriages may give rise to recessive syndromes"
Origin:
early 17th century: from Latin consanguineus ‘of the same blood’ (from con- ‘together’ + sanguis ‘blood’) + -ous.
