杜: Du Kang, Du Fu. The character "Du" refers to the sweet pear tree, as stated in the "Shuowen Jiezi" dictionary: "The male is called 'Tang', and the female is called 'Du'."
瀚: Vast and expansive, it often signifies erudition, profound knowledge, and a broad-minded spirit in names. It aids in learning and fostering friendships.
Meaning: The name suggests stability and determination with 'Du', and vastness and depth with 'Han', symbolizing a broad and profound mind.