You can choose these names: three auspicious treasures, three little angels, and three elves.
1. The name "Auspicious Three Treasures" sounds good, has some connotations, and is also more pleasant to listen to. It can represent a family with three children, or it can represent a happy and fulfilling life. In addition, this online name also has some auspicious meanings and can bring good luck to people.
2. Three little angels: This nickname can express that the three children are angelic beings, and it can also express the joy and happiness they bring to the family.
3. Three elves: This nickname can express that the three children are very clever, and it can also express the vitality and vitality they bring to the family.