Article 928 [Inheritance unworthiness].
§ 1. An heir may be declared unworthy by the court if:
1) he has intentionally committed a grave crime against the testator;
2) by trickery or threat has persuaded the testator to draw up or revoke a will, or has prevented him/her from doing either of these acts in the same manner;
3) intentionally hid or destroyed the testator's will, falsified or imitated his or her will, or knowingly used a will falsified or imitated by another person.
§ 2 An unworthy heir shall be excluded from the inheritance as if he had not lived to see the opening of the inheritance.