Dates: Kongtrul records the birth year as a wood dog year, which would be 1634, while the more commonly given year of 1646 is a fire dog year. However, this latter date matches with Kongtrul's statement that he passed in a wood horse year in his 69th year, i.e. at the age of 68. +
On BDRC most of the texts associated with this figure are connected with the more generic entry of ban de dpal sbyangs (http://purl.bdrc.io/resource/P8260) +
Generally speaking this can refer to, at least, two individuals: the early philosopher who founded the Madhyamaka school and a later mahāsiddha counted in Tibetan as one of the rig 'dzin brgyad. In terms of the RTZ, this figure generally refers to the later Nāgārjuna. +