par Guru Teg bahadur Ji ne jahaj dubban to bacha leya si, oh ni chamatkaar
Saakhi or bani cha darj a eh gal
Na, but it is stated as the reason him getting the Guruship.
That was the story told to people at the time to legitimize Guru Teg Bahadur Ji's succession.
It was either Chamatkaar or a plot, I'd take the Chamatkar, u can take your pick
First 7 Gurus all picked their successors.
8th Guru couldn't, So how was 9th guru picked according to Gurbani