The boy's name is Dong.

The baby's eight characters are: Renchen, Chen Jia, Bingwu, Wuxu, with four soils, one water, one wood, two fires and LMNT. The fire started in March, and the gas gradually rose. Use water. Or become a local bureau, supplemented by Jia mu, you can't leave. Non-armor is twofold, and Kejia is sure. Only by avoiding making armor can you be a scholar. The eight-character uses the ring, and the armor is high. You can choose your name at will. It doesn't matter if you are short of gold.

Nomenclature: Dong (,from "The Summit",)

Dong (,Han Yu's The Study of Understanding, water under the bridge. )

Dong (Wei Zhi's Four Books on remonstrating Tai Songshi, "If you are worried about slacking off, you should think carefully and respect the end")

Dong Deren (Dong homophonic "understand", virtue, meaning benevolence and morality. )

For reference.