Hi Esteban, What DNA test did you take? Do you have a profile on WikiTree? If yes, please add information about the DNA test that you took to your profile: From the drop-down list at the top right of your profile page, under your WikiTree ID, select 'DNA'. On that page select the 'DNA Tests' tab, and add your test information. Do you believe you're descended from Santiago de Pedroza-18? Do you have a paper trail back to him? If you will give us more information we may be able to give you some better answers.