Art. 919. Disinheritance of children and descendants.
ARTICLE 919. The following shall be sufficient causes for the disinheritance of children and descendants, legitimate as well as illegitimate:
(1) When a child or descendant has been found guilty of an attempt against the life of the testator, his or her spouse, descendants, or ascendants;
(2) When a child or descendant has accused the testator of a crime for which the law prescribes imprisonment for six years or more, if the accusation has been found groundless;
(3) When a child or descendant has been convicted of adultery or concubinage with the spouse of the testator;
(4) When a child or descendant by fraud, violence, intimidation, or undue influence causes the testator to make a will or to change one already made;
(5) A refusal without justifiable cause to support the parent or ascendant who disinherits such child or descendant;
(6) Maltreatment of the testator by word or deed, by the child or descendant;
(7) When a child or descendant leads a dishonorable or disgraceful life;
(8) Conviction of a crime which carries with it the penalty of civil interdiction.
Art. 920. Disinheritance of parents and ascendants.
ARTICLE 920. The following shall be sufficient causes for the disinheritance of parents or ascendants, whether legitimate or illegitimate:
(1) When the parents have abandoned their children or induced their daughters to live a corrupt or immoral life, or attempted against their virtue;
(2) When the parent or ascendant has been convicted of an attempt against the life of the testator, his or her spouse, descendants, or ascendants;
(3) When the parent or ascendant has accused the testator of a crime for which the law prescribes imprisonment for six years or more, if the accusation has been found to be false;
(4) When the parent or ascendant has been convicted of adultery or concubinage with the spouse of the testator;
(5) When the parent or ascendant by fraud, violence, intimidation, or undue influence causes the testator to make a will or to change one already made;
(6) The loss of parental authority for causes specified in this Code;
(7) The refusal to support the children or descendants without justifiable cause;
(8) An attempt by one of the parents against the life of the other, unless there has been a reconciliation between them.
Art. 921. Disinheritance of spouse.
ARTICLE 921. The following shall be sufficient causes for disinheriting a spouse:
(1) When the spouse has been convicted of an attempt against the life of the testator, his or her descendants, or ascendants;
(2) When the spouse has accused the testator of a crime for which the law prescribes imprisonment of six years or more, and the accusation has been found to be false;
(3) When the spouse by fraud, violence, intimidation, or undue influence cause the testator to make a will or to change one already made;
(4) When the spouse has given cause for legal separation;
(5) When the spouse has given grounds for the loss of parental authority;
(6) Unjustifiable refusal to support the children or the other spouse.