Zarco ruled the western half of Madeira, while his fellow Portuguese captain and navigator, Tristao Vaz Teixeira, governed over the eastern half from Machico.
They were not Portuguese.
mnli hypothesis: They were not Portuguese. premise: Zarco ruled the western half of Madeira, while his fellow Portuguese captain and navigator, Tristao Vaz Teixeira, governed over the eastern half from Machico.