I think you may have this, but in case not, here it is.
Source: Jackie Deems Clark John Deem, Sr. married Martha. Their children: 1.George Deem 2.John Deem jr., born 1841 - died 1922, married Hester Ann Lewis 3.Jehu Deem, married Annie Ruble (Standford's father) 4.Rachel Deem, married John Black 5.Mary Catherine Deem, married George Braden
Source Wayne Edward Deem: John Deem III, married twice, first in 1811 to Polly Turvey. He lived and died in Freeport, Wirt County. He was born around 1790, and was a soldier in the War of 1812
Source: History of Ritchie County by Minnie Kendall Lowther (1911) JOHN DEEM, son of Adam Deem I, lived and died at Freeport in Wirt County.He, too, was a soldier of the war of 1812, and was twice married, but the names of the wives are missing.George, John, Jehu, Mrs. Rachel Black;; and Mrs. Elizabeth Braden are given as part of his children.
Source Carl W. Deem
John Deem's first wife was: Polly Turvey (Wood County marriage license August, 1811), and his second wife was Sarah Elizabeth Flenner (Wood county marriage license Nov. 12, 1834. This was Jehu's mother, born about 1841.