What an interesting website. I found the death certificate of Augusta's parents. For some reason they each had two listings.

For Grant:

http://www.wvculture.org/vrr/va_dcdetail.aspx?Id=783039
http://www.wvculture.org/vrr/va_dcdetail.aspx?Id=1583680

For Josephine:

http://www.wvculture.org/vrr/va_dcdetail.aspx?Id=773993
http://www.wvculture.org/vrr/va_dcdetail.aspx?Id=1893499

For Henry Cox:
http://www.wvculture.org/vrr/va_dcdetail.aspx?Id=111758

Henry's wife Synthia Cox:
http://www.wvculture.org/vrr/va_dcdetail.aspx?Id=24135
http://www.wvculture.org/vrr/va_dcdetail.aspx?Id=122224

For John William Cox:
http://www.wvculture.org/vrr/va_dcdetail.aspx?Id=776452
http://www.wvculture.org/vrr/va_dcdetail.aspx?Id=1374198