格勒贝桑是第二世达赖喇嘛的学生，也是第三世达赖喇嘛的老师。他主要在桑丹岭寺和上密院求学。完成学业后，他先后成为上密院以及甘丹夏孜学院的导师。1559年至1565年七年间，他担任第二十一代甘丹赤巴；期间，他主持建造了一尊强巴佛的巨大镀金雕像。从甘丹赤巴卸任后，他成为墨竹仁青林寺及 帕莫确德等寺院的代理院长。
参考书目
Don rdor and bstan 'dzin chos grags.Gangs ljongs lo rgyus thog gig rags can mi sna.Bod ljongs mi dmangs dpe skrun khang, pp. 592-93
Grags pa'byungs gnas and Blo bzang mkhas grub.Gangs can mkhas sgrub rim byon ming mdzod,Kan su'u mi rigs dpe skrun khang, pp. 1555-56
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