38. From the date of the judgment granting the adoption:(a) the adopted child shall become, in all respects and with respect to all persons, the legitimate child of the adopter and that of his consort if the latter joined in the motion for adoption;
(b) the adopted child shall legally have the family name and given names which are assigned to him by the court in the judgment of adoption;
(c) the parents, tutor or guardians of the adopted child shall lose the rights and shall be discharged from the duties regarding such child established by law, saving, where applicable, the obligation to render an account.