noun. Relationship by blood or by a common ancestor.

noun. A close affinity or connection.

noun. Relationship by blood; the relationship or connection of persons descended from the same stock or common ancestor, in distinction from affinity, or relationship by marriage.

noun. In petrography, the genetic relationship existing between those igneous rocks of one locality which have been derived from a common parent magma by processes of differentiation.

noun. The relation of persons by blood, in distinction from affinity or relation by marriage; blood relationship.

noun. A consanguineous or family relationship through parentage or descent. A blood relationship.

noun. (anthropology) related by blood

"The term consanguinity here means, within certain limitations defined by the law of nature, the positive law of God, or the supreme authority of State or Church, the blood-relationship (cognatio naturalis), or the natural bond between persons descended from the same stock."

affinity  

family relationship  kinship  relationship  

affiliation  animality  chemism  cognation  comradeship  

affiliation  affinity  agnation  alliance  ancestry