Ontology (existence) and Epistemology (knowledge) can be both objective and subjectve.

Epistemology(what we deem to be knowledge) can be both subjective and objective This is epistemologically objective Rembrandt was born on: x date This is epistemologically subjective. Rembrandt was a great painter Ontology (what we deem to be existence) can be both subjective and objective So and so mountain exists - ontologically objective I have an itch ontologically subjective