Frederick Kemmerer was the son of Frederick Kammerer and his wife Rosina. The family originally came from Wurttemberg, Germany. Frederick, the son, served in the Revolutionary War, and operated a saw-mill in Upper Milford township of Lehigh County, Pennsylvania. In his later years, he lived in South Whitehall township and then Allentown.

Frederick was baptized and attended the Lutheran Church at Dillingersville. His baptism can be found on page 96 of the Dillingersville Church Record -- 1746, Friederich Kammerer and wf Rosina---Friederich, b May 24, bapt Jun 15, sp Friderich Nungesser and Catharina Dillinger. His name appears again in this source "The Schoolhouse Near the Old Spring" (p 37-8) which is about the Dillingersville School and church and contains the church records, in a list of persons who contributed and was paid for work on the new school. Work started on the new school May 1800. He contributed 1 1/2 days labor, and 1800 shingles made. He appears again on page 154 in a list of persons who contributed to the second schoolhouse in 1800-02. He and others withdrew from this church and helped found the Lutheran Church at Zionsville, which superseded the Dillingersville church. Frederick's children's baptisms are recorded in the Lutheran Church at Zionsville.

His Revultionary War service is documented in the following sources:
1) Penna Archives Fifth Series, Vol VIII --Muster Rolls Relating to the Associators and Militia of the County of Northampton, A General Muster Roll of the Second Battalion of Northampton County Militia, May 14, 1778-- contains listing for Frederick Kemmerer in the 1st Company.

2) The Abstract of the account of the services of Frederick Kemmerer in the American Revolution, on file in the Division of Public Records of the State Library notes:
"Frederick Kemmerer, enlisted January 1776, in Captain John Miller's Company, attached to the Fifth regt. commanded by Colonel Magaw; after which, he, together with the corps to which he was attached, marched into New York and in the following summer erected Fort Washington in which, together with many others, he was taken prisoner, Nov 16, 1776, on capture of that place by the enemy. After some time (December 26, 1776) he was paroled by the enemy and permitted to return home. Was in several engagements. Was wounded in leg at Battle of Long Island. Served until end of the War."

3) Penn. in the War of the Revolution:Battalions and line, 1775-1783 notes Frederick Kemmerer was taken prisoner Nov 16, 1776, paroled Dec 26, 1776, resided in South Whitehall twp in 1817. 

4) PA Pensioners, 1835 based on Report from the Secretary of War, in Obedience to Resolutions of the Senate of the 5th and 30th of June, 1834, In Relation to the Pension Establishment of the United States [Pennsylvania Section] Washington DC: 
Co-Lehigh, Name Frederick Kamerer, Rank: Private, Annual Allowance: 96 00, Sums Received: 1,468 67, Description of Service: Pennsylvania continental line, When placed on pension roll: March 5, 1819, Commencement of Pension: May 18, 1818, Age : 77. 

According to the source, "Two centuries of Kemmerer family history," compiled by the Kemmerer Family Association, with Backenstoe, William A, Allentown, PA: Searle & Bachman Co, 1929, he died at the residence of his daughter in Allentown while there visiting. He was 96 years, 9 months, and 7 days old.

Pennsylvania, Veterans Burial Cards, 1777-2012 records--indicates he served in the Army 5/14/1778 in Jos. Kooken's Co, 1st Cl. 1st Co 2nd Battn. Pvt, Buried in Allentown "Old Part" Cemetery. Northampton County Militia

The source: Klosek, Linda M, Self-published, Sept 2003, Old Allentown Cemetery, Between 9th and 10th Streets and Between Linden and Turner Streets, Lehigh County, Allentown, PA. p 105, contains the burials in Allentown Cemetery taken from the War Monument at the Corner of the cemetery (no tombstones found). This list includes - Frederick Kemmerer b May 24, 1746, d Dec 1843 (Pvt. 1st Cl 3rd Co. 4th Bn, Rev War, d. in Allnetown, bur. grave unknown in Old Allentown Cem, taken from Vets Grave rec.)

The source "History of Lehigh County Pennsylvania & a Genealogical & Biographical Record of its Families" (Lehigh Valley Publishing Company, Ltd.. 1914) notes: 
Frederick Kemmerer ... served in the Revolutionary War & died in Allentown December 1843, and was buried with military honors by the Harrison Guards and Lehigh Artillerists. Frederick & Magdalena Kemmerer had 12 children: John; Christian, born Sept. 23, 1781; Anna Maria, born Feb. 14, 1783; Magdalena, born March 5, 1786; John J., born Nov. 11, 1787; Rosina, born Oct. 16, 1789; Frederick, born June 9, 1791; John George, born March 10, 1793; Jonas & Elizabeth, born Aug. 30, 1795; Lydia, born Aug. 27, 1798, married Peter Kline; and Henry, born May 28, 1801.