Guru Har Krishan
Guru Har Krishan was the eighth of the ten Sikh Gurus. At the age of 5, he became the youngest Guru in Sikhism onOctober 1661, succeeding his father, Guru Har Rai.
Har Krishan was born in Kiratpur Sahib, Rupnagar, Punjab, India to Guru Har Rai and Kishan dei .
Source: Wikipedia