 His Janma Kalyanak (birthday) was the eighth day of the Vaisakha Sudi month of the Jain calendar.Sumatinatha was the fifth Jain Tirthankara of the present age (Avasarpini).Sumatinatha was born to Kshatriya King Megha (Meghaprabha) and Queen Mangala (Sumangala) at Ayodhya in the Ikshvaku dynasty.