It could have taken place here:

Death of Dr. Thomas Nelson.
We have just heard, with regret, that this eminent physician and true-hearted gentleman died at Glenburnie, (his residence,) in Louise county, on the morning of the 6th instant
The Richmond Daily Dispatch: July 11, 1861.

.....

the Farm known as "Glenburnie," on the plankroad, about four miles from the city, adjoining the lands of a L Ellett, Esq, and others, containing 180 acres, with an excellent dwelling and out-houses fine orchard, &c. This Farm will be divided into three tracts, which, being near the city and accessible by good roads, should attract persons wishing pretty country seats.
The Richmond Daily Dispatch: April 13, 1863.