Sri Guru Har Krishan Ji succeeds Sri Guru Har Rai Ji
Sri Guru Har Rai Ji passes away at Kiratpur after anointing his five-year-old son Sri Guru Har Krishan Ji, passing over the elder son Ram Rai who had altered a line of scripture at Aurangzeb's court.
"Sri Guru Har Krishan Ji succeeds Sri Guru Har Rai Ji". Sikh History: lives of the Gurus. https://sikh-history.co.uk/events/1661-guru-har-krishan-succession/