[Levin]

surname given to slave

same as 马 surname

素 has a few origins. 

- Shortened from the surname 素和.
- Zhou Dynasty origin for people who wear white
- Manchurian surname
- Sibe surname. Sibe is one of the 50+ ethnic groups in China.

http://www.cnbjx.com/xingshi/su_2605.html


马 is a much larger surname with lots more people.

- Converted from 赵 surname during the Warring States era (second half of Zhou Dynasty).
- Converted from 马矢 surname during the Eastern Han era (second half of Han Dynasty).
- Converted from 司马 surname during the Five Dynasties era (part of the period between Tang and Song dynasties)
- Converted from Tibetan during Yuan Dynasty as Tibetans become government officials in other parts of China
- Major surname in the Hui ethnic group (a Muslim group) in China
- Surnames in other ethnic groups such as Mongolian, Manchurian and Göktürks

https://zh.wikipedia.org/zh-sg/%E9%A9%AC%E5%A7%93