Complex sentence: The founder of Villa Urquiza was Francisco Seeber, who was a soldier in the War of the Triple Alliance against Paraguay, Mayor of Buenos Aires between 1889 and 1890, merchant and president of the Buenos Aires Western Railway.
Split into simpler sentences: The founder of Villa Urquiza was Francisco Seeber, who was a soldier in the War of the Triple Alliance against Paraguay. Seeber was also Mayor of Buenos Aires between 1889 and 1890, merchant and president of the Buenos Aires Western Railway.