Literature Reference: Zi is a type of wood; Tong is also a type of wood. Source from 'Shuowen Jiezi'.
梓: The tree name, known as the Catalpa.
桐: The phoenix tree, known as "wutong" in Chinese, symbolizes vigorous vitality when used in personal names.
Meaning: Zi and Tong symbolize resilience and growth, signifying thriving like trees and unwavering strength.