Literature Reference: The Duke was enfeoffed with a leaf of the tung tree, encompassing both ancient and modern wisdom. Source from 'Zuo Zhuan'.
桐: The phoenix tree, known as "wutong" in Chinese, symbolizes vigorous vitality when used in personal names.
茹:
implies inclusion.
Meaning: The tung leaf symbolizes nobility and wisdom, while 'Ru Gu Han Jin' signifies profound knowledge and integration of ancient and modern wisdom.