Save Type Surname Usage Thai Scripts มหาวงศ์(Thai) Pronounced Pron. /ma˦˥.haː˩˩˦.ˈwoŋ˧/, /ma˧.haː˩˩˦.ˈwoŋ˧/ [key·simplify] Meaning & History From Thai มหา (maha) meaning "great, grand" and วงศ์ (wong) meaning "lineage, family".