Joseph Johann Adam
Duke of Troppau and Jägerndorf
Portrait of Joseph Johann Adam
Prince of Liechtenstein
Reign	11 October 1721 – 17 December 1732
Predecessor	Anton Florian
Successor	Johann Nepomuk
Born	(1690-05-25)25 May 1690 Vienna, Archduchy of Austria
Died	17 December 1732(1732-12-17) (aged 42) Valtice, Kingdom of Bohemia
Burial	Church of the Nativity of the Virgin Mary, Brno
Spouse	Maria Gabriele of Liechtenstein Marianne of Thun-Hohenstein Maria Anna of Oettingen-Spielberg Maria Anna Kottulinska
Names Josef Johann Adam
House	Liechtenstein
Father	Anton Florian, Prince of Liechtenstein
Mother	Countess Eleonore Barbara of Thun-Hohenstein
Religion	Roman Catholic

Joseph Johann Adam (25 May 1690 – 17 December 1732) was the Prince of Liechtenstein from 1721 to his death.^[1]

Born in Vienna, he was the only living son of Anton Florian, Prince of Liechtenstein and Eleonore Barbara von Thun und Hohenstein. Johann Josef Adam served under his father for a short time during the War of the Spanish Succession and later fought against the French under the Duke of Marlborough. After the Treaty of Utrecht he became Imperial Privy Counsellor in Vienna.

He was the 661st Knight of the Order of the Golden Fleece in Austria. He died in Valtice in 1732.

On 1 December 1712, Joseph married firstly his cousin Maria Gabriele, Princess of Liechtenstein (12 July 1692 – 7 November 1713), daughter of Hans-Adam I. They had one child:

• Prince Karl Anton Joseph Adam Bruno (6 October 1713 – 25 March 1715)

On 3 February 1716, Joseph married secondly Marianne, Countess of Thun-Hohenstein (27 September 1698 – 23 February 1716), but his new bride died only 20 days after the wedding.

On 3 August 1716, in Vienna, Joseph married thirdly to Maria Anna Katharina, Countess of Oettingen-Spielberg (21 September 1693 – 15 April 1729), daughter of Francis Albert, 1st Prince of Oettingen-Spielberg in 1734 (previously Count).^[2] They had five children:

• Princess Maria Eleonore Johanna Walburga Josepha (8 June 1717 – 1 July 1718).
• Prince Joseph Anton Franz Johann Nepomuk (17 Apr 1720 – 28 November 1723).
• Princess Maria Theresia Eleonora Walburga Innocentia (28 December 1721 – 19 January 1753), married Prince Joseph I Adam of Schwarzenberg (15 December 1722 – 17 February 1782).
• Johann Nepomuk Karl, Prince of Liechtenstein (6 July 1724 – 22 December 1748).
• Princess Maria Elisabeth Eleonore (born and died 18 May 1728).

On 22 August 1729, Joseph married fourthly to Maria Anna, Countess Kottulinsky von Kottulin (12 May 1707 – 6 February 1788). They had two children:

• Prince Anton Thomas Joseph Franz de Paula Johann Nepomuk Adam (21 December 1730 – 1731).
• Princess Maria Anna Josefa Antonia Franz de Paula (posthumously 2 April 1733 – 10 December 1734).

• Princely House of Liechtenstein