Do you have more ancestors from one than the others? If so, you may wish to take that into consideration when trying to decide. Or as you said, you feel more drawn to or have a stronger connection to a certain side.
"Of all tyrannies a tyranny sincerely exercised for the good of its victims may be the most oppressive." - C. S. Lewis
"The Enrichment Center promises to always provide a safe testing environment. In dangerous testing environments, the Enrichment Center promises to always provide useful advice. For instance, the floor here will kill you. Try to avoid it." - GlaDOS - Portal