Can't figure out how to make this reply be in paragraphs. Write to me at kathryn@bassett.net and I'll send you an email properly formatted.

This might be your grandmother, as she has sons named Charles and Leslie so it stands to reason they would be named after her husband and his brother.
Social Security Death Index
Name: Freda L. Ash
Date of Birth: Monday April 29, 1912
Date of Death: Tuesday August 30, 2005
Est. Age at death: 93 years, 4 months, 1 days
Last known residence:
City: Paoli; Braxton; Chambersburg; Stampers Creek; Wildwood Lake; Youngs Creek
County: Orange
State: Indiana
ZIP Code: 47454
Social Security details:
State of Issue: Kentucky
Number: 401-10-6529

http://www.findagrave.com/cgi-bin/fg.cgi?page=gr&GSln=As...;
b. 29 Apr 1912 Meridian, Lauderdale Co, MS
Daughter of Charles T. Coates and Orpha Burnett.

Obit which *might* tell you her husband, requires a subscription.
Survivors include: three sons: Leslie E. Ash and Charles S. Ash, both of Paoli, and Roy L. Ash, Hasting (sic, that would be Hastings in Saint Johns Co Phone: 904-692-3711), Fla.; nine grandchildren, 12 great-grandchildren
http://www.heraldtimesonline.com/stories/2005/09/01/obit.obi...

http://preview.ussearch.com/preview/ala/newsearch?&searc... has a Leslie Ash age 77

You might also call Charles Ash (812) 723-4622 4018 E Us Highway 150, Paoli, IN 47454 to see how he fits in.

Here's another Charles in Paoli the right age to be related:
http://www.findagrave.com/cgi-bin/fg.cgi?page=gr&GSln=AS...;
Ash, Charles R
b. Jul. 7, 1914 d. Jan. 23, 1988
And this might be the wife of that Charles:
http://www.findagrave.com/cgi-bin/fg.cgi?page=gr&GSln=As...;
Ash, Mary Hannah
b. Apr. 21, 1915 d. Apr. 10, 1987

Adding weight to these Paoli Ash's being yours, is that Larry Bird was born in West Baden Springs which is also in Orange Co IN, as is Paoli.

Once you find out the name of your Ash great grandfather, I can probably help you out more (with census records). I couldn't figure out where Sylvester fits in so far.