The original meaning of king when used as a noun is: emperor, monarch, king; when used as a verb, the original meaning is: to rule, to possess a country or a place, to be king;
Yan, once used as "Yan" "The abbreviated character, surname, is said by the people in the old days to be the ruler of the underworld, King Yama.
Judging from your surnames, they are a perfect match. They both mean monarch in every sense of the word. Therefore, it is recommended that the child's name should also be rich in meanings of grandeur, domination, kingship, and swallowing up the world.
Wang Zexuan:
Ze:
1. The place where water accumulates: big~. Lake~. Run ~ (moist). Swamp~. 2. The light emitted by metal or other objects: light~. Color~. 3. Favor: En~. ~And dry bones (benefiting the dead). 4. Wash. 5. Undershirt, underwear.
Xuan:
1. An ancient car with a shed or curtain. ~Chai (the emperor's car); ~Mian (the cars and attire of the officials are graded, which refers to the official rank); ~达 (the car with the front and the back is high is called "Xuan", the car with the front and the back is low is called "达" ", used to describe high or low, good or bad).
2. A corridor or cabin with windows.
3. Doors, windows, floors or railings.
4. High: open; high; big waves.
5. Surname, Xuan.
6. Refers to good temperament: elegant, noble, gentle.
The best is like water. Where good water gathers, there is also a good temperament. The combination is exactly what a monarch should have. It's grand and meaningful. If you chose the name yourself, I'd really admire it. What a good name! I wish your baby success.