Blood
A Dictionary of Law · Henry Campbell Black · 1891
A Dictionary of Law
Kindred; consanguinity; family relationship; relation by descent from a common ancestor. One person is “of the blood” of another when they are related by lineal descent or collateral kinship. Brothers and sisters are said to be of the whole blood if they have the same father and mother, and of the hajf blood if they have only one parent in common.
5 Whart. 477.