P: He was developed into the most effective personality under the environment of rational attitude of his father and religious temperament of his mother.
Q: Swami Vivekananda was born in Calcutta, on 12th January in 1863 during Makar Sankranti festival, in a traditional Bengali Kayastha family.

R: The birth name of Swami Vivekananda was Narendranath Datta.
S: He was one of the nine children of his father, who was an attorney in Calcutta.