The strokes of the four characters of the surname "Hu, Yu, Zheng, Jiang,"

The five elements drawn by Hu 11 belong to earth

The five elements drawn by Yu 13 belong to fire

The five elements drawn by Zheng 19 belong to fire

The five elements drawn by Jiang 17 Zodiac sign of wood

Explanation:

In nomenclature, the strokes of characters are based on the strokes of the Kangxi Dictionary.

The above strokes refer to the Kangxi dictionary strokes.