Source : Webster's Revised Unabridged Dictionary (1913)

Consanguinity \Con`san*guin"i*ty\, n. [L. consanguinitas: cf. F.
   consanguintit['e].]
   The relation of persons by blood, in distinction from
   affinity or relation by marriage; blood relationship; as,
   lineal consanguinity; collateral consanguinity.

         Invoking aid by the ties of consanguinity. --Prescott.

Source : WordNet®

consanguinity
     n : related by blood [syn: {blood kinship}, {cognation}] [ant: {affinity}]