C813 Who is the person in the photo?

The picture looked rather old, but it was still clear. There were three children around the age of ten in the picture.

In the middle was a pretty girl with a flowery hat. She had a curved mouth, moon eyes, and a beautiful white face. She was as beautiful as an angel.

She was holding two boys in both hands, sitting in Yeah's position with two fingers, smiling happily at the camera