Collateral Kinsmen
Bouvier's Law Dictionary and Concise Encyclopedia · John Bouvier; revised by Francis Rawle · 1914
Bouvier's Law Dictionary and Concise Encyclopedia
Those who descend from one and the same common ancestor, but not from one another. Thus brothers and sisters are collateral to each other; the uncle and the nephew are collateral kinsmen, and cousins are the same. All kinsmen are either lineal or collateral.