What are the names of your two Granddads?

The Nineteenth Tennessee was the second East Tennessee regiment that entered the Confederate service. It was organized at Knoxville, Tenn, May, 1861.

Company A, from Hamilton County
Company B, from Washington County
Company C, from Sullivan County
Company D, from Rhea County
Company E, from Knox County
Company F, from Polk County
Company G, from Sullivan County
Company H, from McMinn County
Company I, from Hamilton County
Company K, from Hawkins County

Soon after organization the regiment was scattered over East Tenessee on post duty-guarding bridges. About the 1st of July, 1861, it was collected and stationed at Cumberland Gap.
[Military Annals of Tennessee, John Berrien Lindsley]