Literature Reference: With straw sandals and a rush cushion, I sit in the mountains, watching the courtyard trees grow their descendants. Source from 'To the Monk Shen Gou'.
桐: The phoenix tree, known as "wutong" in Chinese, symbolizes vigorous vitality when used in personal names.
孙:
Characters for personal names, surnames.
Meaning: The descendants of the paulownia tree symbolize family prosperity and continuous growth.