Literature Reference: 《诗经·大雅·文王》："文王在上，於昭于天。周虽旧邦，其命维新。有宋之风，其贞不渝。" The Book of Songs, Greater Odes, King Wen: "King Wen is above, shining in the heavens. Though Zhou is an ancient state, its mandate is ever new. The virtue of Song remains steadfast and unchanging."
宋: Southern Song Dynasty, Song Dynasty, Surname.
贞: Loyalty and steadfastness. Often used in conjunction with unwavering devotion, it signifies remaining true to one's cherished principles with resolute determination.
Meaning: Song Zhen symbolizes unwavering loyalty and noble character, representing steadfastness and integrity.