胤: Descendants, heirs, succession. In names, it often signifies the blessings bestowed upon future generations, representing profound fortune and benevolence. It not only denotes abundant personal prosperity but also the ability to extend these blessings to one's family lineage.
衍: Extend, initiate, evolve.
Meaning: 'Yin' signifies inheritance and continuity, symbolizing the passing of family lineage; 'Yan' means expansion and prosperity, representing flourishing descendants and a thriving family.