Blenheim, South Carolina Blenheim, South Carolina Blenheim is a town in Marlboro County, South Carolina, United States. The population was 137 at the 2000 census. It is named for Blenheim Palace in Oxfordshire, England which itself is named for the Battle of Blenheim, a major English victory of the War of the Spanish Succession at what is now Blindheim, Germany. Blenheim Palace was the residence of the Duke of Marlborough, after whom Marlboro County is named. Blenheim Ginger Ale was originally bottled in Blenheim, with the local mineral water. Blenheim is located at (34.507513, -79.653088). According to the United States Census Bureau, the
Blenheim Palace was Marlborough's second daughter Anne. The 1st Duke as a soldier was not a rich man, and what fortune he possessed was mostly used for finishing the palace. In comparison with other British ducal families the Marlboroughs were not very wealthy. Yet they existed quite comfortably until the time of the 5th Duke of Marlborough (1766–1840), a spendthrift who considerably depleted the family's remaining fortune. He was eventually forced to sell other family estates, but Blenheim was safe from him as it was entailed. This did not prevent him selling the Marlboroughs' Boccaccio for a mere £875, and his own