Complex sentence: Christopher de Haro (in Portuguese, Cristóvão de Haro) was a Lisbon-based merchant of Flemish origin who provided financial backing to Ferdinand Magellan's 1519 voyage, the first circumnavigation around the world.
Split into simpler sentences: Christopher de Haro (in Portuguese, Cristóvão de Haro) was a Lisbon-based merchant of Flemish origin. He provided the financial backing to Ferdinand Magellan's 1519 voyage, the first circumnavigation around the world.