Literature Reference: Swallows fly in pairs, their wings uneven and graceful. Source from 'The Book of Songs: Bei Feng · Yan Yan'.
丁: The fourth of the twelve Heavenly Stems, also symbolizing population.
燕: The swallow. In names, it often symbolizes good fortune and peace, signifying auspiciousness, health, and a beautiful life.
Meaning: Swallows symbolize auspiciousness and happiness, representing a life of fulfillment and well-being.