Question: What founders order's birthplace  is an unincorporated community in Jasper County, it is also located on the historic Sister's Ferry road where the left wing of an American soldier who  served as a general in the Union Army during the American Civil War?

Context paragraphs:
William Tecumseh Sherman: William Tecumseh Sherman (February 8, 1820 – February 14, 1891) was an American soldier, businessman, educator, and author.  He served as a general in the Union Army during the American Civil War (1861–65), for which he received recognition for his outstanding command of military strategy as well as criticism for the harshness of the "scorched earth" policies he implemented in conducting total war against the Confederate States.

Richard J. Oglesby: Richard James Oglesby (July 25, 1824April 24, 1899) was an American soldier and Republican politician from Illinois.  He served in the United States Army during the Mexican–American War of 1846–47, and after the war became a prospector during the California Gold Rush and was elected to the Illinois General Assembly.  During the American Civil War, Oglesby volunteered for the Union Army and rose to the rank of major general, serving in the Western Theater; he left the army when he was elected Governor of Illinois in 1864, and would serve three non-consecutive terms in that office (from 1865 to 1869, for ten days in 1873, and from 1885 to 1889).  He also served as a United States Senator from Illinois from 1873 to 1879.

Henry Eugene Davies: Henry Eugene Davies (July 2, 1836 – September 7, 1894) was an American soldier, writer, public official and lawyer.  He served in the Union Army as a brigadier general of volunteers in cavalry service during the American Civil War ("Civil War") and was promoted to the grade of major general of volunteers at the end of the war.  Davies was one of the few nonprofessional soldiers in the Union cavalry in the East to be promoted to the grade of general.  He led his brigade in several major battles, especially during the Overland Campaign, the Battle of Trevilian Station, the Siege of Petersburg and the Appomattox Campaign at the end of the war.

Coosawhatchie, South Carolina: Coosawhatchie (koos-uh-HATCH-ee) is an unincorporated community located in Jasper County, South Carolina, United States at the northern head of the Broad River.  It served as the headquarters for General Robert E. Lee during the early part of the American Civil War.  It is accessible from Interstate 95 via Exit 28.

George B. McClellan: George Brinton McClellan (December 3, 1826October 29, 1885) was an American soldier, civil engineer, railroad executive, and politician.  A graduate of West Point, McClellan served with distinction during the Mexican–American War, and later left the Army to work in railroads until the outbreak of the American Civil War.  Early in the war, McClellan was appointed to the rank of major general and played an important role in raising a well-trained and organized army, which would become the Army of the Potomac; he served a brief period (November 1861 to March 1862) as general-in-chief of the Union Army.  Although McClellan was meticulous in his planning and preparations, these very characteristics hampered his ability to challenge aggressive opponents in a fast-moving battlefield environment.  He chronically overestimated the strength of enemy units and was reluctant to apply principles of mass, frequently leaving large portions of his army unengaged at decisive points.

Kinton, Oregon: Kinton is an unincorporated community in Washington County, Oregon, United States.  It is located near the northern shore of the Tualatin River, near the intersection of Oregon Route 210 and River Road, a major county arterial that runs northwest towards Hillsboro.  Kinton is located approximately eight miles north of Newberg, six miles southwest of Beaverton, and seven miles southeast of Hillsboro.  The community was once the site of a ferry (the Scholls Ferry) crossing the Tualatin River between Kinton and nearby Scholls.  While the ferry has long since been replaced with a bridge, OR 210 is still known locally as Scholls Ferry Road.  Kinton is in Oregon's wine country, with several notable wineries in the area.

Honey Hill-Boyd's Neck Battlefield: Honey Hill-Boyd's Neck Battlefield is a historic battlefield site located near Ridgeland, Jasper County, South Carolina.  The boundary encompasses the site of the American Civil War Battle of Honey Hill, November 30, 1864, as well as the Federal enclave on Boyd’s Neck and other related areas of the Honey Hill campaign, November 29, 1864 to January 11, 1865.  The Battle of Honey Hill was one of the three largest Civil War battles fought in South Carolina, and was one of the most notable Civil War engagements involving African American troops.  The site includes the largely intact 1864 road network and extensive American Civil War earthworks.

Henry Warner Slocum: Henry Warner Slocum, Sr. (September 24, 1827 – April 14, 1894), was a Union general during the American Civil War and later served in the United States House of Representatives from New York.  During the war, he was one of the youngest major generals in the Army and fought numerous major battles in the Eastern Theater and in Georgia and the Carolinas.  While commanding a regiment, a brigade, a division, and a corps in the Army of the Potomac, he saw action at Bull Run, the Peninsula, South Mountain, Antietam, Chancellorsville, and Harpers’ Ferry.  At Gettysburg, he was the senior Union General in the Field.  During the battle, he held the Union right from Culp’s Hill to across the Baltimore Pike.  His successful defense of Culp’s Hill was crucial to the Union victory at Gettysburg.  After the fall of Vicksburg, Slocum was appointed military commander of the district.  Slocum participated in the Atlanta campaign and was the first commander to enter the city on September 2, 1864.  He then served as occupation commander of Atlanta.  Slocum was appointed the commander of the left wing of Sherman’s march through Georgia and the Carolinas, commanding the XIV and XX Corps, comprising the Army of Georgia.  During this campaign, he captured the capitol of Georgia, Milledgeville, and the seaport of Savannah.  In the Carolinas campaign, Slocum’s army saw victories in the battles of Averasborough and Bentonville, North Carolina.  The March to the Sea and the Carolinas campaign were crucial to the overall Union victory in the Civil War.  After the surrender of Confederate forces, Slocum was given command of the Department of Mississippi.  Slocum declined an appointment in the postwar Army.  He was a successful political leader, businessman and railroad developer.

Robertville Baptist Church: Robertville Baptist Church is a historic Baptist church located at the junction of U.S. 321 and CR 26 (historic Sister's Ferry road) in Robertville, Jasper County, South Carolina.  It was built about 1847, and is a one-story, small frame building with Greek Revival and Gothic Revival details.  The portico is supported by two plain Doric order columns.  The building was originally occupied by the Ascension Episcopal Church of Gillisonville, and purchased by Robertville Baptists and moved to its present location about 1867.  Robertville Baptist Church was organized in 1781 and considered the “Mother of Churches” in the area.

Robertville, South Carolina: Robertville is an unincorporated community in Jasper County, South Carolina, United States.  It is named after the Robert family who initially settled in the area and was also the birthplace of Henry Martyn Robert, founder of Robert's Rules of Order.  The community is accessible via U.S. Highway 321 and is located about halfway between Hardeeville and Estill.  It is also located on the historic Sister's Ferry road where the left wing of General William Sherman's army marched through and torched the town in the "Carolina Campaign."

Supporting paragraphs: Robertville, South Carolina William Tecumseh Sherman
Answer: Henry Martyn Robert