opus2 on Family Tree Circles

Moses and Mary Perkins died at the same time about 1910.
three sons were placed in the Home
for Destitute Children at Auburn, NY: Daniel, Vernon, and Sherman. there may have been others. My grandfather Vernon came to Manchester VT in the late 20s. He died in Grass Valley, CA in 1965. What happened to his brothers and sisters? Where are they now? Who were his grandparents?
What killed his parents?

Any information would be helpful.