Hello, Here are some records on Prince George Co & Dinwiddie Co., Va that may be of assistance in the event you don't already have these.

PRINCE GEORGE County, Cr 1702 from Charles City
See Surry Co., Va Will of Allen Warren JR-BELOW(died 1733 Surry Co; wife was Ann Hart who (M) #2 John Little)  left his land in Prince George Co to son Robert Warren
Surry Co., VA-Dec. 16, 1732 Will of Allen Warren Pro. Aug. 15, 1733 
To my wife, (Ann Hart) bed & furn., riding horse, saddle, bridle, etc
To son Allen, all land I hold in this Co, bed, furn., where I now lie, 1 Negro; my "Trooper's Arms" and enjoy his inheritance at once. 3 bbls corn,
To son Robert, all land I hold in Prince George Co*. -and proceeds of sale of negro girl., 808 pds. tobacco, in hands of Mr. Bridger, sheriff in Isle of Wight, and to remain with mother until 21 yrs. old. If wife remarries, he to have his est. when 18 yrs.
wife, and 4 dtrs, Sarah, Elizabeth, Lucy & Mary to have rest of estate.
Wife, (unnamed) EXR
Wits: Chas. Bins, Saml. Sands, Thos. Foster

Robert Warren was born after 1715, according to Will of Father, Allen Warren, JR as he was Under 18 in 1733.

Robert Warren Grant, Sept 20, 1745 Prince George County-200 acres S/S Sappony Creek on the upper side of Long Branch
Sept 20, 1745 Henry Dickson Grant, Prince George Co-233 Acres N/S Sappony Creek, adj. Jacob Jones, Robert Warren, etal-
Republican, Petersburg, Virginia, 1806 "Married on Tuesday the 23rd Mr. Isaac Donaldson, to Mrs. Warren of Prince George Co." Issue: Monday Jan, 27, 1806-P 3, Col 1
See Dinwiddie Co., Va Below cut off from Prince George in 1752

DINWIDDIE- CR 1752 from Prince George Co

The Virginia Gazette-July 10, 1752, The Virginia Gazette (Publ-William Hunter @ the Post Office) P 4, Col 1-"Taken up by the Subscriber on Sappony Creek, in Dinwiddie County, a small bay mare, about 12 hands & 1/2 high, with a hanging mane, and switch tail, branded on the near buttock ). The owner may have her of me on proving his property and paying as the law directs." Sig: Robert Warren 
  
August 10, 1759 Robert Warren Grant-Dinwiddie County, 239 Acres on the S/S Sappony Creek

June 5, 1765 Peter Warren, grant, Dinwiddie County-189 acres N/S Stony Creek

Robert Warren SR & Robert Warren, JR both are deceased pr to 1790 according to tax records.

1782 Personal TL-Dinwiddie Co, Va-(List appears to be incomplete) Jesse Warren 1 Wh Tithe, 2 Negro Tithes, 3 Horses, 9 cattle; James Warren 1 Wh Tithe, 5 Negro tithes, 3 Neg. Und Age, 4 horses, 21 cattle, John Warren 1 White Tithe

1790 Personal A Tax List- Dinwiddie Co, Va-P 13 Names of Proprietors/Names of Freeholders over 
Jesse Warren/Jesse Warren 3-1-2; 
James Warren/James Warren, Robert Warren 4-1-6; 
Booth Warren/Booth Warren 0-1-0 ; P 11 
James Staunton/James Staunton, James Warren JR 0-0-3

1790 Land Tax List B Dinwiddie Co, Va-P 12 
Jesse Warren 100 AC, 
James Warren 534 AC, 
Robert Warren EST 439 AC, 
Robert Warren SR Estate 250 AC, 
James Warren, of Jesse Warren, Pd by Jesse Warren, 200 AC (Jesse Warren moved to Hancock Co, Ga about 1791

1799 Land A Tax List -P 02 Joseph Ball 95 AC (Conveyed by Allen Warren, 
P 05 Capt Joseph Goodwyn & Warrens (Conveyed by Allen Warren) 117 AC, Braddock Goodwyn & Warrens (Conveyed by Allen Warren) 250 AC, Braddock Goodwyn & Warrens (conveyed by Allen Warren) 253 AC-
P 14-James Warren SR 434 AC, James Warren SR & Malones 150 AC; James Warren JR 19 AC (conveyed by Morelands, Eston)
1800 Personal A Tax List-P 19-Randolph Worren/Randolph Worren, Miles E Daniel 9-0-4

One Allen Warren b. Dinwiddie Co, Va d. abt 1808 Columbia Co., Georgia

1800 Personal B Tax List- Names of Proprietors/Names of Free males above 16 yrs of age- 

P 16-March 10th, James Warren JR/James Warren 2-1-2-0; 
March 25th, Allen Warren/Allen Warren 1-3-5-0;
March 31 James Warren SR/James Warren, Jesse Warren, Ben Warren 10-2-10-2;  
M Booth Warren/Booth M Warren 3-1-3-0**
**Booth M Warren moved to Wilson Co, Tenn abt 1812

1810 Census Dinwiddie Co., Va-Thomas Warren 10100-00100-0-4; George Warren 00100-NO fe-0-4; James Warren 00010-10100-0-8; Randol(ph)? Warren 01001-02101-0-8
The War in 1812 in Dinwiddie Co., Va Incl: George M Warren, Thomas Warren, William Warren
1820 Dinwiddie, Va Ann Warren 000010-00200-0-5; George Warren 000010-00101-0-2; Thomas Warren 110010-20100-0-0

Tnaks,
Sadie Sparks