Ratnasambhava Buddha - Updated
Ratnasambhava, Buddha: a principal buddha within Vajrayana Buddhism representing the qualities of enlightenment and residing in the southern quarter of a mandala.
"Arising in the southern direction is Ratnasambhava on a horse, lotus and sun throne; with a body yellow in colour the right hand is placed in the mudra of supreme generosity." (Dragpa Gyaltsen, 1147-1216).