MARLOW NAVIGATION PHILS.,* MARLOW NAVIGATION CO. LTD. AND/OR MR. ANTONIO GALVEZ, JR., LEOPOLDO C. TENORIO, PAUL BERNHARD GALVEZ, ANDREAS NEOPHYTOU, NIDA C. ABARQUEZ, JERRY P. AGNES AND JOANNE B. VITOBINA, PETITIONERS, VS. HEIRS OF THE LATE ANTONIO O. BEATO, REPRESENTED BY HIS WIFE JONABEL D. BEATO, RESPONDENTS