Yang: Plant name, deciduous tree; surname
"Shuo Wen Jie Zi" explains the cloud: Muye. From the sound of wood.
Su: Ancient times was the same as "philosophy". (The word * * * appears in the name database about: 1 10 times)
Yang means willow, carambola and poplar; Sou means smart and wise, and Tessa means beautiful.
The meaning of this name can be interpreted as: "Poplar? Cleisthenes ".