NICANOR MALABANAN, AURORA MANAIG, RONNIE MALABANAN, VICTOR MALABANAN, SEVERINO MALABANAN, EUFROCINIA MALABANAN, EUFROCILA MALABANAN, REYNALDO MALABANAN, AND DONATA MALABANAN, PETITIONERS, V. HEIRS OF ALFREDO RESTRIVERA, REPRESENTED BY BIENVENIDO RESTRIVERA AND REMEDIOS RESTRIVERA-ESPERIDION, RESPONDENTS