All donations inter vivos made by persons who had no children or descendants currently living at the time of the donation, of whatever value these donations may be, and on whatever basis they were made, and even if they were mutual or remunerative, even those which would have been made in favour of marriage by other than by the spouses to each other, may be revoked, if the deed of gift so provides, by the occurrence of a child born of the donor, even after his death, or adopted by him in the forms and conditions provided for in Chapter I of Title VIII of Book I.