Adolf of Nassau (1540–1568)
Adolf of Nassau (Dillenburg, 11 July 1540 – Heiligerlee, 23 May 1568) was a count of Nassau, also known as Adolphus of Nassau.
He was the fourth son and sixth child of William I, Count of Nassau-Dillenburg and Juliana of Stolberg.
He was the second youngest brother of William the Silent.
Princess Hilda of Luxembourg (1897–1979)
Princess Hilda of Luxembourg( 15 February 1897, Berg Castle, Colmar- Berg, Luxembourg – 8 September 1979, Berg Castle, Colmar- Berg, Luxembourg) was a Princess of Luxembourg by birth and the Princess of Schwarzenberg by marriage.
Adolphe, Grand Duke of Luxembourg
Adolphe (Adolf Wilhelm August Karl Friedrich; 24 July 1817 – 17 November 1905) was the last sovereign Duke of Nassau, reigning from 20 August 1839 until the duchy's annexation to Kingdom of Prussia in 1866.
In 1890, he became Grand Duke of Luxembourg following the death of King William III of the Netherlands, ending the personal union between the Netherlands and Luxembourg, until his own death in 1905.
He was the first monarch of Luxembourg from the House of Nassau-Weilburg.
Adolphe became Duke of Nassau in August 1839, following the death of his father William.
After Austria's defeat in Austro-Prussian War of 1866, Duchy of Nassau was annexed to Kingdom of Prussia and he lost his throne.
From 1815 to 1839, Grand Duchy of Luxembourg was ruled by the kings of the Netherlands as a province of the Netherlands.
Following the Treaty of London (1839), Grand Duchy of Luxembourg became independent but remained in personal union with the Netherlands.
Following the death of his sons, King William III of the Netherlands had no male heirs to succeed him.
In the Netherlands, females were allowed to succeed to the throne.
Luxembourg, however, followed Salic law which barred females from succession.
Thus, upon King William III's death, the crown of the Netherlands passed to his only daughter, Wilhelmina, while that of Luxembourg passed to Adolphe in accordance with the Nassau Family Pact.
Adolphe died in 1905 and was succeeded as Grand Duke of Luxembourg by his son, William IV.
Otto I, Count of Nassau
Otto I of Nassau,( † between 3 May 1289 and 19 March 1290) was Count of Nassau and is the ancestor of the Ottonian branch of the House of Nassau.
Walram II, Count of Nassau
Walram II of Nassau,( – 24 January 1276), was Count of Nassau and is the ancestor of the Walramian branch of the House of Nassau.
Princess Hilda of Nassau
Princess Hilda Charlotte Wilhelmine of Nassau (5 November 1864 – 8 February 1952) was the last Grand Duchess of Baden.
She was the daughter of Adolphe, Grand Duke of Luxembourg, who was Duke of Nassau until he was deposed in 1866.
Frederick Augustus, Duke of Nassau
Friedrich August, Duke of Nassau, Prince of Nassau- Usingen( 23 April 1738 in Usingen – 24 March 1816 in Wiesbaden) was the last Prince of Nassau- Usingen and, jointly with his cousin, Friedrich Wilhelm of Nassau- Weilburg, first Duke of Nassau.
He died without surviving male issue and was succeeded by his cousin's son, Wilhelm.
Elisabeth of Nassau-Dillenburg, Countess of Wied
Elisabeth of Nassau-Dillenburg (1 December 1488 – 3 June 1559 in Dillenburg) was a member of the House of Nassau.
She was a daughter of John V of Nassau-Dillenburg and his wife Elisabeth of Hesse-Marburg.
Her brothers were Henry III of Nassau-Breda, John of Nassau-Vianden-Dietz, Ernest of Nassau and William the Rich.
Her sister was Maria of Nassau.
Henry I, Count of Nassau-Siegen
Henry I of Nassau- Siegen,( – between 13 July and 14 August 1343) was Count of Nassau- Siegen, a part of the County of Nassau, and ancestor of the House of Nassau- Siegen.
He comes from the Ottonian branch of the House of Nassau.
Frederick William, Prince of Nassau-Weilburg
Frederick William, Prince of Nassau- Weilburg( 25 October 1768, The Hague – 9 January 1816, Weilburg) was a ruler of Nassau- Weilburg.
In 1806 he was given the title of Prince of Nassau, while his cousin, Prince Frederick Augustus of Nassau- Usingen, became the Duke of Nassau.
Frederick William died in January 1816, only two months before his cousin.
Both men were succeeded by Frederick William's son, William.

Question: When did Princess Hilda Of Nassau's father die?
Answer: 17 November 1905