Empire of Netherland Spain

After the reign of Charles V his son dies of malaria instead of surviving it as he does in our timeline and the ruler of the Netherlands, John IV, becomes King Juan I of Spain. Over time thanks to Juan and his netherland descendants superior financial skills the Spanish empire never goes into dept because of overcoining silver currency and eventually beats England in the seven years war by allying with France and then beats England again in the revolusionary war. Over time spain becomes the supreme world power compeating with france gaining the territories in yellow while the territories in orange are King Juan I original territories.