Compulsory heirs (Art. 887, NCC)

Art. 887. The following are compulsory heirs:

(1) Legitimate children and descendants, with respect to their legitimate parents and ascendants; 

(2) In default of the foregoing, legitimate parents and ascendants, with respect to their legitimate children and descendants;
(3) The widow or widower;
(4) Acknowledged natural children, and natural children by legal fiction;
(5) Other illegitimate children referred to in article 287.