Hans-Adam I, Prince of Liechtenstein
Hans-Adam I, Prince of Liechtenstein
(Johann Adam Andreas; 16 August 1662, in Brno – 16 June 1712, in Vienna) was the son of Karl Eusebius, Prince of Liechtenstein (1611–1684) and Princess Johanna Beatrix of Dietrichstein (1625–1676).
On 18 January 1699 he acquired the seigneury of Schellenberg, and on 22 February 1712 the county of Vaduz.
These two domains would later form the present principality of Liechtenstein.
He was also Duke of Troppau and Jägerndorf.
Johann did not take up an office at the Imperial court but did case-by-case work, especially as a financial expert.
He was known informally as Hans Adam the Rich.
Besides managing his property, he took a great interest in art.
He bought works by Rubens and van Dyck for his collections and was one of the most generous patrons of his time.
Johann created two memorials to himself, a palace in Bankgasse in Vienna and a summer palace in Rossau.
He was the 575th Knight of the Order of the Golden Fleece in Austria.
Joseph Johann Adam, Prince of Liechtenstein
Joseph Johann Adam, Prince of Liechtenstein (25 May 1690 – 17 December 1732) was the Prince of Liechtenstein from 1721 to his death.
Born in Vienna, he was the only living son of Anton Florian, Prince of Liechtenstein.
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.
Karl Eusebius, Prince of Liechtenstein
Karl Eusebius, Prince of Liechtenstein (11 April 1611 – 5 April 1684) was the Prince of Liechtenstein.
He inherited this title in 1627 from his father
Karl I. He was 16 and thus considered underage, and his uncles Prince Gundakar and Maximillian acted as regents until 1632.
From 1639 to 1641 Karl was Chief Captain of High and Low Silesia.
After the Thirty Years' War Karl effectively restored his dominions economically.
Karl was also an extensive patron of architecture of the period, see Plumlov Castle.
He died in Schwarzkosteletz.
Prince Wenzeslaus of Liechtenstein
Prince Wenzeslaus of Liechtenstein (born 12 May 1974) is a member of the princely family of Liechtenstein.
He is the son of Prince Philip Erasmus of Liechtenstein and Isabelle de L'Arbre de Malander.
He was born to the style of a Serene Highness and Prince of Liechtenstein, and is additionally a Count of Rietberg.
Prince Wenzeslaus has two brothers:
Prince Wenzeslaus has become something of a society column figure on account of his relationship with Victoria's Secret model Adriana Lima.
The society columns such as Page Six of the "New York Post" have tagged him with the nickname of "Prince Wence(pronounced: Vince)".
His father is President of the LGT Group in Liechtenstein which is privately owned by the Prince of Liechtenstein Foundation.
Prince Wenzeslaus is the nephew of the reigning sovereign Fürst Hans Adam II and the first cousin of Alois, Hereditary Prince of Liechtenstein, who is Regent since 2004.
Alois, Hereditary Prince of Liechtenstein
Alois, Hereditary Prince of Liechtenstein, Count Rietberg( born 11 June 1968, full name: Alois Philipp Maria), is the eldest son of Hans- Adam II, Prince of Liechtenstein, and Countess Marie Aglaë Kinsky of Wchinitz and Tettau.
Alois has been regent of Liechtenstein since 15 August 2004.
He is married to Duchess Sophie in Bavaria.
Archduchess Elisabeth Amalie of Austria
Archduchess Elisabeth Amalie of Austria (7 July 1878 – 13 March 1960) was a daughter of Archduke Karl Ludwig of Austria and his third wife Infanta Maria Theresa of Portugal.
She was the mother of Franz Joseph II, Prince of Liechtenstein, and the paternal grandmother of Hans-Adam II, Prince of Liechtenstein.
Prince Joseph Wenzel of Liechtenstein
Prince Joseph Wenzel of Liechtenstein, Count Rietberg( born 24 May 1995) is the eldest child of Prince Alois of Liechtenstein, the Regent and Hereditary Prince of Liechtenstein, and his wife Princess Sophie of Bavaria, Duchess in Bavaria, he is also the eldest grandchild of the current ruling prince of Liechtenstein.
He is second in the line of succession to the Liechtensteiner throne through his father.
Prince Nikolaus of Liechtenstein
Prince Nikolaus Ferdinand Maria Josef Raphael of Liechtenstein( born 24 October 1947) is the non-resident Ambassador of Liechtenstein to the Holy See and a younger brother of the reigning Prince of Liechtenstein, Hans- Adam II.
Hans-Adam II, Prince of Liechtenstein
Hans-Adam II (Johannes Adam Ferdinand Alois Josef Maria Marco d'Aviano Pius; born 14 February 1945) is the reigning Prince of Liechtenstein.
He is the son of Franz Joseph II, Prince of Liechtenstein (1906–1989) and his wife Countess Georgina von Wilczek (1921–1989).
He also bears the titles "Duke of Troppau and Jägerndorf", and "Count Rietberg".
Hans-Adam is the richest monarch in Europe.
Princess Nora of Liechtenstein
Princess Norberta" Nora", Dowager Marquesa de Mariño( Norberta Elisabeth Maria Assunta Josefine Georgine et omnes sancti; 31 October 1950) is the daughter of Franz Joseph II, Prince of Liechtenstein( 1906 – 1989) and his wife Countess Gina of Wilczek( 1921 – 1989), and thus younger sister of Hans- Adam II, Prince of Liechtenstein.

Question: When did Hans-Adam I, Prince Of Liechtenstein's father die?
Answer: 5 April 1684