Stephen and Sarah had a brother by the name of Thomas and POSSIBLY a sister by the name of Eleanor. It has been offered that Thomas married Elizabeth Battershell on 8-31-1812 in Clark Co.,KY- However, I have been unable to DOCUMENT this as OUR Thomas (yet). Also Eleanor was married to Samuel McCollough. Eleanor is a recent 'find' so I have not taken the time to follow that lead yet.
These are the only siblings that I have so far. Also do you have:
Samuel S. Davenport (brother to mary simms davenport) married to Sally. Their son-- James married (Mary?)Polly Risk (date unknown) and their daughter Verlinda married Abraham Risk 8-2-1830 in KY?