Combined info from TX Dth Idx Online 1964-1998 and SSDI:
Troy Lee Glidden, b 25 Nov 1908; d 7 Mar 1992 Kaufman Co, TX; last residence Wills Point, Van Zandt Co, TX; SS card issued in TX.
[on TX idx Troy Lee, on SSDI Lee T.]
Willie Vee Glidden, b 10 Fe 1916; d 1 Feb 1996 Kaufman Co, TX; last residence Wills Point, Van Zandt Co, TX; SS card issued in CA.
Their death certificates would be recorded in Kaufman Co, TX, and they should show the names and birth location of their respective set of parents.Have you had a chance to look for obituaries?Survivors are usually listed, and if they lived out of the immediate area, town/state often listed.
Using online directory such as http://www.four11.comhttp://www.four11.com typing in Larry Glidden, and just state of TX, up comes one in Alto, TX, one of the towns you named in your query - maybe he is your Larry Troy Glidden(?)
There are 4 Gliddens in Wills Point, TX.
There are 9 Staffords listed in Tyler, TX.If you have an old address, you might find a match.