Art. 119. Only natural children can be legitimized.

Natural children are those born out of wedlock of parents who, at the time of the conception of the child, could have married with or without dispensation.

Art. 120. Legitimation shall take place -

1. By the subsequent marriage of the parents.

2. By royal concession.

Art. 134. An acknowledged natural child has a right:

1. To bear the surname of the person acknowledging it.

2. To receive support from the same, in accordance with article 143.

3. To receive, in a proper case, the hereditary portion fixed in this code.

Art. 139. Illegitimate children not in the enjoyment of the legal status of natural children shall only have the right to claim support from their parents in accordance with article 143.

Art. 140. The right to support, referred to in the preceding article, can only be claimed -

1. If the paternity or maternity is inferred from a final judgment rendered in a criminal or civil action.

2. If the paternity or maternity is shown in an indisputable document, from the father or mother, in which the filiation is expressly acknowledged.

3. With regard to the mother, if the fact of the birth and the identity of the child are fully proven.

Art. 154. The father, and, in his absence, the mother, has authority over their legitimate children, not emancipated, and the children are bound to obey them while they remain under their authority and always to show them respect and reverence.

Acknowledged natural children and adopted minors are under the authority of the father or of the mother who acknowledges or adopts them, and must also comply with the obligations referred to in the preceding paragraph.