Kentucky: A History of the State, Battle, Perrin, & Kniffin, 7th ed.,
Boone Co.

L. F. JACKSON, a native of Chester County, Penn., was born January 7,
1826, and is the third in a family of ten children born to Levi and Mary
(Pearl) Jackson, the latter a daughter of William Pearl, of Chester
County, Penn., who lived to be one hundred and thirteen years old, and
was of German descent.  When but fourteen years of age our subject went
with his parents to Cincinnati, Ohio, where his father died in 1842, and
the family then moved to Boone County, Ky.  Levi Jackson was reared in
the southern part of Chester County, and was a member of an old Quaker
family.  L. F. Jackson began life, as he says, with $32, but has been
very successful as a farmer, and in the steamboat and stock trading
business; he own 460 acres of Ohio River bottom land.  In December, 1856,
he married Mrs. Elizabeth Berkshire, daughter of John Terrill, she was
born January 7, 1826, and died September 26, 1883.  Six children were
born to their union, viz: Nannie (deceased), Nona, Eva, Franklin, Zenith
and an infant (deceased).

Jackson Pearl Berkshire Terrill
=
Chester-PA OH
http://www.rootsweb.com/~kygenweb/kybiog/boone/jackson.lf.txt