sentences:  Buddhist Newars living in a "baha"—a residential quadrangle around a central court with Buddhist shrines and temples—consider themselves to be of common descent, making intermarriage a taboo.Below is a list of 26 Newar castes, their sub-caste groups and clans, along with their traditionals occupations and the most common surnames in their respective hierarchical positions.Also listed is the approximate percentages of the major castes of Newars sampled "within" Kathmandu Valley.