From what I have asked his father, grandfather and grandmother, surname Khunnam mean? You said that last name Khunnam from the word which fattening khunnang. Khunnang is the servants that received good rank and dignity from 400 up bone vibrators By the nobles who origins from commoners. May be from a noble family or class in society. So officials due to the use of the king's power. Common people has the opportunity offered to the king and the government have been feudal 400 up and surname king name originated in the province.