Andrew Jackson Penn, often referred to as Jackson Penn, married Martha A. Kennerly (May 18, 1816- June 12, 1887), sister of his father's second wife, Mary Christian Kennerly, on 2 Oct. 1832 at "Poplar Grove" in Patrick County, Virginia. At the time of their marriage, he would have been 21 years of age and she 16 years of age. They had at least twelve children.
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Andrew Jackson Penn built his brick home "Locust Grove Plantation" adjoining downstream his grandfather's (Col. Abram Penn) home of "Poplar Grove Plantation," where he had grown up. Andrew Jackson was a farmer with a personal value of $30,500 in the 1860 Census for Patrick County, Virginia. (A good sum in that day) He is listed as "Jackson," and the record shows Lewis at 11 years old and numerous other children.
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Andrew Jackson Penn was a neighbor of Hardin Reynolds whose beautiful plantation has been restored and is of historical interest. They were both members of the old Salem Methodist Church. Penn donated land for a new church location in 1859 and Reynolds donated timber. The church was completed before the outbreak of the War Between the States. The new church had a balcony reserved for black attending. Through the center of the church a partition divided the men and women, an arrangement from colonial times when men stacked their arms at the church door in case of need to repel an Indian attack.

[Sydney Penn, an ancestor of Col. Penn, who was born 1887, grew up in the area of "Poplar Grove" and was a long time DAR member in the area. She writes that her father used to stand on one side of the partition and her mother on the other side as they sang out of the same hymn book. (Information from Miss Sydney Penn: "As I Recall It.") Sydney Penn's great-grandfather was Andrew Jackson Penn. Her grandfather was Peter Leath Penn, Sr. and her father was Peter Leath Penn, Jr. She was born in the brick house on "Locust Grove Plantation" and grew up on the "Mayo Bend Plantation" that was established by George Penn, Col. Abram Penn's oldest son. "Mayo Bend Plantation" was downstream of "Poplar Grove Plantation."]
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Andrew Jackson's mother was Frances Martha Leath (April 15, 1790- August 28, 1816) of Manchester, VA.
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It appears Andrew Jackson lost almost everything during the War Between the States because the 1870 Census shows his value as a farmer as $2,000 at age 59. Below shows his worth and family in 1870:

1870 Census - Mayo River District, Patrick County, VA. #419:
Jackson Penn 59 w/m Farmer $2,000 VA
Martha A. 54 w/f
Thomas H. 35 w/m Tobacconist $3,000
Abram 24 Trader
Lewis 22 Farming
Robert 17
Martin 15
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Louis (Lewis) George Penn, shown at age 22 on the 1870 Census above, a son of Andrew Jackson Penn, decided to use his portion of inheritance to attend a Gentlemen's School, rather than farm tobacco as his brothers, father, and ancestors had done. Thus, he did not receive any wealth from tobacco farming after the Civil War. The descendants of Louis were excluded from any of the wealth derived from tobacco farming. Lewis married the daughter of a Methodist Chaplain, George Gibson Brooke.

Andrew Jackson Penn was found dead near his home "Locust Grove" on his 66th birthday. His wife, Martha A. Kennerly, died at age 71. They are both buried in the Jackson Penn Cemetery, the property of his plantation "Locust Grove," the old Jackson Penn home place, about 1 and 1/2 miles east of junction of roads 692-693. There are two graves marked with crude stones, which Hattie Stovall Spencer thinks are the graves of T. H. and Augusta Penn. *****

Children:

Thomas Jackson Penn: b. Sept. 20, 1833- (married Augusta Green of AL)

Peter Leath Penn: b. Dec. 8, 1835- d. 1901 (named for Andrew Jackson's brother,
Dr. Peter Leath Penn)
First married cousin Sarah Jane Cobb, then Mary Woody

Susan Elizabeth Penn: b. Dec. 4, 1837- married cousin Gabri I. Penn

James Christopher Penn: b. Dec. 4, 1838- (accidentally killed at Sweetwater, TN)

Abram C. Penn: b. July 1, 1842-

Samuel Alexander: b. April 5, 1844 (Killed by Union guerrillas in Civil War, according to Sydney Penn: another family record states: "Samuel was accidentally shot by a friend during the war--with his own gun.")

Martha Frances "Fannie" Penn: b. March 21, 1846- d. 1899 married John W. Mays

Louis (Lewis) George Penn: b. March 17, 1848- d. April 23, 1922 married Mollie Brooke, daughter of Methodist preacher. He is buried at Greenlawn Cemetery in Columbus, Ohio. Plot: Section 78 Lot 988

Phillip Penn: b. Jan. 25, 1850

Sarah Jane Penn: b. May 19, 1852- Jennie died while a little girl

Robert Rives Penn: b. July 15, 1853- married Jennie Chapman

Martin Tupper Penn: b. Nov. 24, 1854- (named for the author Martin Tupper) married three times, Thenia Pannill, Lizzie Hogan, Gussie Kelley