Question: The tomb of the Unknown confederate soldier is on the grounds of the post-war home of what former president of the Confederate States of america?

Context paragraphs:
Confederate States Attorney General: The Attorney General of the Confederate States of America was a member of the Confederate cabinet.  The office of Attorney General of the Confederate States was created by the statute which established the Department of Justice.  By the establishing statute, it was "the duty of the Attorney General to prosecute and conduct all suits in the Supreme Court, in which the Confederate States [was] concerned, and to give his advice and opinion upon questions of law, when required by the President of the Confederate States, or when requested by any of the heads of departments, touching any matters that may concern their departments on subjects before them."  In this respect, his duties were the same as those of the United States Attorney General.  But additionally, he had "supervisory power over the accounts of the marshals, clerks and officers of all the courts of the Confederate States, and all claims against the Confederate States."

Confederate Monument in Glasgow: The Confederate Monument in Glasgow, Kentucky, built in 1905 by the Kentucky Women's Monumental Association and former Confederate soldier John A. Murray, commemorates those who gave their lives in service for the Confederate States of America.  It is located on the side of Glasgow's courthouse.  The Confederate soldier, made of bronze, is at parade rest, and features details such as a bedroll, canteen, kepi hat, and rifle.  It stands on a limestone pedestal.

John Holt Duncan: John Holt Duncan (1820–1896) was one of eight founders of Beta Theta Pi, a prominent college fraternity founded at Miami University in 1839 and was its first president.  He made a career in law as a lawyer and judge in Houston & Bexar County, Texas.  He served as a Confederate Artillery Captain in the 31st Texas Cavalry during the Civil War.  He lost a leg as a result of a battle wound on September 20, 1862 at the First Battle of Newtonia.  He was taken in by an Old Confederate soldier's family.  When the soldier returned home, Duncan was found by the authorities.  Because housing a confederate soldier was punishable by death, the old soldier was executed in front of his wife and family.  The family begged for Duncan's life to be spared and it was.  John Holt Duncan spent the rest of his life caring for the family and he died penniless because of it.  After the war he moved to Houston, Texas where he practiced law (district justice 1864-65, city attorney 1877-79.  He became Chief Justice of Bexar County.  He died in the Confederate Old Soldier's Home in Austin, Texas in 1896 and was buried in the Confederate Veterans section of the Texas State Cemetery.

Skirmish at Paint Rock Bridge: The Skirmish at Paint Rock Bridge was an action fought between a Union Army detachment of 27 men guarding a bridge near Woodville, Alabama and a Confederate States Army cavalry detachment intent on destroying the railroad bridge on April 28, 1862 during the American Civil War.  Union Army brigade commander Colonel Joshua W. Sill reported that the men from the 10th Wisconsin Volunteer Infantry Regiment, commanded by Colonel Arnold R. Chapin, who were under the immediate command of Sergeant William Nelson and Sergeant Augustus H. Makimson held off the Confederate force of 250 men for over two hours and killed 7 Confederates and captured 1 wounded Confederate soldier who told the Union men of the Confederate numbers and casualties.  The action resulted in the Union maintaining control of an intact railroad line through the area.

Beauvoir (Biloxi, Mississippi): The Beauvoir estate is notable as the historic post-war home (1876-1889) of the former President of the Confederate States of America, Jefferson Davis, (1807/08-1889), (who was also former U.S. Representative, (1845-1846), and more influentially as United States Senator from Mississippi, (1847-1851, 1857-1861) and in between U.S. Secretary of War, (1853-1857), under 14th President Franklin Pierce).  Its construction was begun in 1848 facing the Gulf Coastline (Gulf of Mexico) at Biloxi, Mississippi.  It was purchased earlier in 1873 by the planter Samuel Dorsey and his wife Sarah Dorsey.  After her husband's death in 1875, the widow, Sarah Ellis Dorsey learned of former Confederate President Jefferson Davis' difficulties.  She invited him to visit at the plantation and offered him a cottage near the main house, where he could live and work at his memoirs (""Rise and Fall of the Confederate Government"").  He ended up living there the rest of his life.  The house and plantation have since been designated as a National Historic Landmark, recognized and listed by the U.S. Department of the Interior and its National Park Service (established 1916).

Confederate States War Department: The Confederate States War Department was a cabinet-level department in Confederate States of America government responsible for the administration of the affairs of the Confederate States Army.  The War Department was led by the Confederate States Secretary of War.  During its existence, the War Department was the largest department of the Civil Service in Confederate States of America.

Tomb of the Unknown Confederate Soldier: The Tomb of the Unknown Confederate Soldier is a tomb on the grounds of Beauvoir in Biloxi, Harrison County, Mississippi, that holds the remains of an unidentified Confederate soldier of the American Civil War.

Unknown Confederate Soldier Monument in Horse Cave: Unknown Confederate Soldier Monument in Horse Cave

For Her Sake: For Her Sake is a 1911 American silent short war romance film produced by the Thanhouser Company.  The film starred William Garwood as a confederate soldier who wins the love of a young Southern girl shortly before the start of the American Civil War.  His rival becomes a Union officer and the two are reunited when the Confederate is captured.  After receiving news of his capture, the girl manages to sneak through the Union lines to free him.  Together they escape and the Union officer tracks them to her home.  Prepared to apprehend his foe, he sees his rival mourning the death of the girl, fatally shot during the escape.  The two resolve their differences and the officer leaves the house, refusing to arrest the Confederate soldier.  The film was released on February 14, 1911 and was met with positive reviews despite plot holes surrounding the girl's ability to elude the guards.  The film is now presumed lost.

Denton Confederate Soldier Monument: The Denton Confederate Soldier Monument is an outdoor Confederate memorial installed downtown Denton, Texas, in the United States.  It was funded and erected in 1918 by the Katie Daffan Chapter of the United Daughters of the Confederacy.  The statue depicts an armed Confederate soldier standing on an arch with the inscription, "Our Confederate Soldiers".  The monument was named a Texas Historic Landmark in 1970, a National Historic Registry landmark in 1977, and a Texas State Archeological Landmark in 1981.  The monument was vandalized in 2015.  One local resident has been working to remove the memorial since 2000.

Supporting paragraphs: Tomb of the Unknown Confederate Soldier Beauvoir (Biloxi, Mississippi)
Answer: Jefferson Davis