tatha-thereupon; sva-bhaga-dheyani-their shares in the sacrifice; grahisyanti-will accept; diva-okasah-all the demigods; yat-because; yajna-purusah-the enjoyer of all sacrifices; saksat-directly; apatyaya-for the purpose of a son; harih-the Supreme Personality of Godhead; vrtah-is invited.