i am karlo cesar a. cordero from manila and a filipino. like you i've been trying very hard to trace my roots. my grandfather was from batangas and his name was estanislao cordero, born during the spanish period. he was an employee of the old rail system in the philippines, and of spanish decent. i did'nt see him alive though...
i am also from batangas but now i reside in manila.
if you want any other information about me you can visit my blog: www.comicspotting.blogspot.com
i am also open to communicate with any other filipinos looking for their cordero relatives. i guess we have the same problems; our grandfathers were born during the spanish era, they were only few, of spanish decent and maybe they are were not closely knit.