Sri Guru Nanak Dev ji or Baba Guru Nanak (15 April 1469 – 22 September 1539) was a Punjabi philosopher, Sufi sage, and a mystic. He is considered a Sufi saint by Punjabi and Sindhi Muslims in Pakistan and as the founder of Sikhism and the first Guru by Sikhs. Guru Nanak Dev ji came from a Hindu Khatri landowning family, with his father known as Mehta Kalu and his mother as Mata Tripta.