Bhrikuti is venerated as the Green Tara and the Chinese wife as the White Tara. 
There are two Tara's, the Green Tara and the White Tara. 
mnli hypothesis: There are two Tara's, the Green Tara and the White Tara.  premise: Bhrikuti is venerated as the Green Tara and the Chinese wife as the White Tara. 