The correct answer to this open question is the following.
The early life of Zhabdrung.
Zhabdrung (1594-1651), better known as the "Bearded Lama," was born at Ralung Monastery. His parents belonged to the respected Drukpa lineage and Tsangpa Gyane lineage. At a young age, he was crowned as the Drukpa heir or prince of Buthan.
Zhabdrung grew to become an admired and beloved ruler who could unify Buthan as one nation.