The family became a major power in European finance through their international banking network, establishing branches in cities like London, Paris, Vienna, and Naples. They were involved in government loans, large-scale industrial ventures like mining and railroads, and other financial services. Origin: The family's documented history begins in Frankfurt in 1567. The name "Rothschild" is derived from the family's house, "Rothschild". Expansion: Mayer Amschel Rothschild, the founder of the dynasty, sent his five sons to establish branches in major European cities. His son Nathan Mayer Rothschild founded the influential London bank, while another son, Jacob, established the Parisian branch. Financial activities: The family's business interests included loans to governments, trading in bullion, and financing major industrial ventures such as large-scale mining and rail transport during the 19th century. Modern day: Today, the family continues to be involved in finance through entities like Rothschild & Co, a multinational investment bank. They are also known for their high-profile philanthropic activities.