Sun and Yang are the surnames of the parents respectively, right?
Possible names: Sun Aiyang (Ai, a kind of herbaceous plant. It also means longevity, beauty, beauty. And homophonic to "love".)
Sun Banyang (companion, It means companion, accompanying.)
Sun Deyang (De, means to obtain, satisfy.)
Sun understand Yang (Understand, means to understand, understand, understand.)
For reference.