Question: Who was the prestigious military officer whose family was the inspiration for the movie “The Sound of Music”? 

Context paragraphs:
Johann Haas von Haagenfels: Johann Freiherr Haas von Haagenfels (March 24, 1864 in Haag, Austria – May 15, 1932 in Vienna) was an Austro-Hungarian Army Officer.  His exploits during World War I earned him numerous decorations, including the prestigious Military Order of Maria Theresa, the highest Austro-Hungarian Military decoration.  (184th Promotion on 17 August 1917).

Archibald Lochry: Colonel Archibald Andrew Lochry (15 April 173324 August 1781) was a colonial American military officer whose command ended in disaster when he and nearly every member of his force were killed or captured by Mohawk forces led by George Girty, the brother of Simon Girty, and Chief Joseph Brant.  This skirmish is famously known in early American history as Lochry's Defeat.

Sir Alexander Campbell, 1st Baronet: Lieutenant-General Sir Alexander Campbell, 1st Baronet, {'1': ", '2': ", '3': ", '4': "} (20 August 176011 December 1824) was a senior officer of the British Army during the early nineteenth century.  His long and varied career saw extensive action, including engagements in Europe during the American Revolutionary War, in India during the Fourth Anglo-Mysore War and subsequently in the Peninsular War as one of the Duke of Wellington's generals.  Badly wounded during the Peninsular campaign, Campbell was rewarded with a knighthood and a baronetcy, later holding a number of prestigious military commands.

Yefim Baranovich: Yefim Vikentyevich Baranovich (Russian: Ефи́м Вике́нтьевич Бара́нович ; 1884–1948) was an Imperial Russian and Soviet career military officer whose service spanned the Russo-Japanese War, World War I, the Russian Civil War and the concurrent Polish-Soviet War, and World War II.

Georg von Trapp: Corvette Captain Georg Johannes Ritter von Trapp (4 April 1880 – 30 May 1947), often incorrectly referred to as Baron (Freiherr) von Trapp, was an Austro-Hungarian Navy officer.  His naval exploits during World War I earned him numerous decorations, including the prestigious Military Order of Maria Theresa.  Under his command, the submarines SM "U-5" and SM "U-14" sank 13 Allied ships totaling about  gross register tons (GRT) .

Isaac Arnauld: Isaac Arnauld (1566 – 14 October 1617), seigneur de Corbeville, was a member of the Arnauld family, a French family which during the 17th century produced several major Jansenists.  He was the younger brother of Antoine Arnauld, and his son (also Isaac Arnauld) had a prestigious military career.

Marcel Pourchier: André Eugène Marcel Pourchier (1 June 1897 – 1 September 1944) was a French military officer whose last rank was Lieutenant-Colonel.

Angus McDonald (United States Army major): Angus McDonald (December 30, 1769 – October 14, 1814) was an American military officer, landowner, and planter in the U.S. state of Virginia.  McDonald served as a military officer during the War of 1812 following his appointment by United States President James Madison.  McDonald was the son of Virginia military officer and frontiersman Colonel Angus McDonald and the father of Colonel Angus William McDonald, a commander in the Confederate States Army during the American Civil War.

Leonid Khabarov: Leonid Khabarov (Russian: Леони́д Васи́льевич Хаба́ров ; ] ; born May 8, 1947) is a former Soviet military officer whose battalion was the first Soviet Army unit to cross the border into the Democratic Republic of Afghanistan on December 25, 1979, serving as the "de facto" beginning of the decade-long Soviet war in Afghanistan.  He received widespread media attention after he was arrested on charges of fomenting a "coup d'état" while serving as a Russian ROTC chief in 2011.  He was accused of having created a master plot to overthrow local authorities in the Ural region of Russia for the purpose of launching a nationwide rebellion.

Martina von Trapp: Martina von Trapp (17 February 1921 – 25 February 1951) was a member of the Trapp Family Singers and was the seventh child of Georg von Trapp and his first wife, Agatha Whitehead von Trapp.  She was a member of the Trapp Family Singers, whose lives were the inspiration for the play and movie "The Sound of Music".  She was portrayed as the character "Gretl".

Supporting paragraphs: Martina von Trapp Georg von Trapp
Answer: Georg von Trapp