Four Masters Brothers and one Sister

This photo was dated and stated John C Masters with brothers and sister.
The couple on the far left are identified for sure. The couple on the far right are
identified for sure. I am pretty sure about James and Mary Masters. The other two couples I have deduced from my research. If you feel I am wrong please let me know.
People in photo include: Elizabeth Kane Masters, Jennie Best Masters, Mary Elizabeth Remaley Masters, Jesse Masters, Cora Masters, Patrick Toohey, and Annie Bell Masters Toohey