2. These are of various kinds. 1. Haeres natus, an heir born; the heir at law: he is distinguished from, 2. Haeres factus, or an heir created by will, a testamentary heir, to whom the whole estate of the testator is given. 3. Haeres fiduciarius, an heir to whom the estate is given in trust for another. Just. 2, 23, 1, 2. Haeres-legitimus, a lawful heir; this is one who is manifested by the marriage of his parents; haeres legitimus est quem nuptiae demonstrant; haeres suus, ones own heir, a proper heir; descendants. Just. 3, 1, 4, 5.