I believe the little girl is Marguerite Anderson. Her grandfather, Benjamin Franklin Stoakes, is seated in the center of the image, looking at the camera. And at the far right might be his son (and Marguerite's father), Frank C. Stoakes, I think.
But who are the others? And could one of them be Flora V. Rider, daughter of B. F. Stoakes?
Click on the image to enlarge it.