Someone please help identify

The man is thought to be Bob Puckett, brother to Etta Elizabeth Puckett Davenport.
The lady with the long hair is thought to be Isabella Sweatt Davenport, wife of Wm. S. Davenport, born 1833,
the other lady is unidentified, she is thought to be a sister to Isabella, daughters of Azariah Sweatt.
can someone identify these people?
thank you -