Swami Vivekananda was born to Vishwanath Datta and Bhuvaneshwari Devi, in an affluent family in Calcutta on 12 January 1863. He was christened Narendranath Datta – often colloquially shortened to Naren. Vishwanath Datta was a successful attorney with a broad range of interests, and Bhuvaneshwari Devi was a versatile lady of strong character and deep piousness.