Alternate Names: Bru, Kah So, Makong, Mang Cong, Mangkong, Mang-Koong, Mankoong, So Makon, Thro
Dialects: So Phong, So Slouy, So Trong. Reportedly similar to Bru ,.
Genealogy:
Demographics: 118,000 in Laos (2005 census). Population total all countries: 188,000.
Language Use: Also use Lao [lao].
Language Development: Literacy rate in L1: Below 1%. Literacy rate in L2: 15%–25%. Dictionary. Grammar. Bible portions: 1980–2004.
Writing System: Thai
Nation of Origin: Laos
Other Comments: Glossonym: Mangkong and Bru in Laos. Traditional religion.