Literature Reference: The phoenix sings, on that high ridge. The phoenix tree grows, bathed in the morning sun. Source from 'The Book of Songs: Da Ya: Juan A'.
子: Descendants, offspring. It also refers to the favored children of heaven, those who are learned and virtuous.
桐: The phoenix tree, known as "wutong" in Chinese, symbolizes vigorous vitality when used in personal names.
Meaning: The phoenix tree symbolizes nobility and strength, and 'Zitong' implies that the child will grow as strong as the phoenix tree and achieve greatness in the future.