Consanguinity

(n.) The relation of persons by blood, in distinction from affinity or relation by marriage; blood relationship; as, lineal consanguinity; collateral consanguinity.

Thesaurus Entries

affiliation, affinity, agnation, alliance, ancestry, apparentation, birth, blood, blood relationship, bloodline, branch, breed, brotherhood, brothership, cognation, common ancestry, common descent, common source, common stock, connection, cousinhood, cousinship, derivation, descent, direct line, distaff side, enation, extraction, family, family relationship, fatherhood, female line, filiation, fraternity, house, kindred, kinship, line, line of descent, lineage, male line, maternity, matrilineage, matriliny, matrisib, matrocliny, motherhood, paternity, patrilineage, patriliny, patrisib, patrocliny, phylum, propinquity, race, relation, relationship, seed, sept, sibship, side, sisterhood, sistership, spear side, spindle side, stem, stirps, stock, strain, succession, sword side, ties of blood