Don't know if this will help.

From the Loudoun County Personal Property Tax Lists, it appears that Andrew was the son of Robert Ogden. The lists also indicate he had brothers William, Benjamin, and Andrew.

From “Loudoun Co Death Register 1853-1896” by Frain and Hiatt:
OGDEN, Andrew, white male, d. 15 Feb 1855, Mahlon Morris', 73-0-0, parents: Robt. & Ann Ogden, b. Maryland, farmer & mill right, source: Mahlon Morris, brother-in-law

[possible brother listed above]
OGDEN, Benjamin, white male, d. 29 Nov 1853, Hillsboro, spinal affection, 62-0-0, parents: unknown, b. Loudoun, farmer, consort of Sarah Ogden, source: Levin Ogden, son

From “Loudoun Co Marriages 1757-1853” by Wertz:
Ogdon, Andrew & Elizabeth Shawen. m. 24 Dec. 1810. Minister: John Littlejohn.

From “Loudoun Co Will Book Abstracts, Books 2A-3C” by Pat Duncan:

OGDEN, Elizabeth
Will of 22 Jun 1868: grand nephew Charles SHAWEN son of nephew William C. SHAWEN (named Exor), witnesses Washington MYERS, Wm. WILLIAMS & Jacob MYERS. Returned to court 13 Dec 1875. Exor Wm. C. SHAWEN, $1600 bond. [3A:193]

Pat Duncan
GenNutLdn@msn.com