LR case no. 03-C-2024-LR. - In Re petition for cancellation of Real Estate Mortgage on OCT No. P-4677 situated at Lot 657, Brgy. Bigaa, City of Cabuyao, Laguna. Heirs of Juan Nevalga, represented by Esteban Nevalga Bolante, petitioner, -versus- Heirs of Roman Briones, Sr. and Sofia Briones and the Register of Deeds of Calamba City, Laguna, respondents