Fred Ball Sr, and Jr.; Adaline Ball and Dorothy Vosburgh

Fred was the husband of mother's Aunt Margaret

Fred, Jr. and Adeline their children
I presume this was taken on Hamilton Street in Poughkeepsie

Starting from the circle:
unknown
Margaret
Maybelle Minor Vosburgh Terrell Palmatier
and very likely Adeline next to her mother's 1/2 sister
 

The top two photos came from Dottie Lacy

The bottom from Adeline