Heir
The Cyclopedic Law Dictionary · Walter A. Shumaker and George Foster Longsdorf; ed. James C. Cahill · 1922
The Cyclopedic Law Dictionary
COLLATERAL.
One who Is not of the direct line of the deceased, but comes from a collateral line; as, a brother, sister, an uncle and aunt, a nephew, niece, or cousin, of the deceased.