Haeres natus
Black's Law Dictionary · Henry Campbell Black, M.A. · 1910
Black's Law Dictionary
In the civil law. An heir bom; one bom heir, as distinguished from one made heir, (hœres factus, q v ;) an heir at law, or by intestacy, (ab intestato;) the next of kin by blood, in cases of intestacy.
Story, Confl. Laws, § 507; 3 Bl. Comm. 224.
Hœres necessarius
In the civil law. A necessary or compulsory heir. This name was given to the heir when, being a slave, he was named "heir" in the testament, because on the death of the testator, whether he would or not, he at once became free, and was compelled to assume the heirship.
Inst. 2,19, 1.
Hœredes proximi
Nearest or next heirs. The children or descendants of the deceased.
Hœres rectus
In old English law
A right heir. Fleta, lib.
6, c. 1, § 11.