Leopold IV, Duke of Anhalt
Leopold IV Frederick, Duke of Anhalt (1 October 1794 – 22 May 1871) was a German prince of the House of Ascania.
From 1817 until 1853 he was ruler of the duchy of Anhalt-Dessau and from 1847 until 1853 also ruler of the duchy of Anhalt-Köthen.
From 1853 until 1863 he was the ruler of the joined duchy of Anhalt-Dessau-Köthen and from 1863 the first ruler of the united duchy of Anhalt.
Princess Elisabeth Anna of Prussia
Princess Elisabeth Anna of Prussia (8 February 1857 – 28 August 1895) was a German princess.
She was the second child of Prince Frederick Charles of Prussia and Princess Maria Anna of Anhalt-Dessau.
The Elisabeth-Anna-Palais was named in her honor after her early death in 1895.
Princess Maria Anna of Anhalt-Dessau
Princess Maria Anna of Anhalt-Dessau (14 September 1837, Dessau – 12 May 1906, Friedrichroda) was a princess from the House of Ascania.
She was the third child of Leopold IV, Duke of Anhalt and Princess Frederica of Prussia.
Frederick Augustus II, Grand Duke of Oldenburg
Frederick Augustus II( 16 November 1852 in Oldenburg – 24 February 1931 in Rastede) was the last ruling Grand Duke of Oldenburg.
He married Princess Elisabeth Anna of Prussia, daughter of Princess Maria Anna of Anhalt- Dessau and Prince Frederick Charles of Prussia.
After her death, he married Elisabeth Alexandrine of Mecklenburg- Schwerin.
Waldemar IV, Prince of Anhalt-Dessau
Waldemar IV, Prince of Anhalt- Dessau( died aft. 22 July 1417) was a German prince of the House of Ascania and ruler of the principality of Anhalt- Dessau.
He was the eldest son of Sigismund I, Prince of Anhalt- Dessau, by his wife Judith, daughter of Gebhard XI, Count of Querfurt.
Countess Henriette Catherine of Nassau
Henriette Catherine of Nassau (10 February 1637 – 3 November 1708) was princess consort of Anhalt-Dessau by marriage to John George II, Prince of Anhalt-Dessau, and regent of Anhalt-Dessau from 1693 to 1698 during the minority (and then the absence) of her son Leopold I, Prince of Anhalt-Dessau.
William Gustav of Anhalt-Dessau
William Gustav of Anhalt- Dessau( 20 June 1699 – 16 December 1737) was a German prince of the House of Ascania and heir to the principality of Anhalt- Dessau.
He was born in Dessau, the eldest son of Leopold I, Prince of Anhalt- Dessau, by his morganatic wife Anna Louise Föhse.
Sigismund II, Prince of Anhalt-Dessau
Sigismund II, Prince of Anhalt- Dessau( died aft. 22 May 1452) was a German prince of the House of Ascania and ruler of the principality of Anhalt- Dessau.
He was the fourth son of Sigismund I, Prince of Anhalt- Dessau, by his wife Judith, daughter of Gebhard XI, Count of Querfurt.
George I, Prince of Anhalt-Dessau
George I, Prince of Anhalt- Dessau( – 21 September 1474), was a German prince of the House of Ascania and ruler of the principality of Anhalt- Dessau.
He was the second son of Sigismund I, Prince of Anhalt- Dessau, by his wife Judith, daughter of Gebhard XI, Count of Querfurt.
Albert V, Prince of Anhalt-Dessau
Albert V, Prince of Anhalt- Dessau( died ca. 1469) was a German prince of the House of Ascania and ruler of the principality of Anhalt- Dessau.
He was the fifth son of Sigismund I, Prince of Anhalt- Dessau, by his wife Judith, daughter of Gebhard XI, Count of Querfurt.

Question: What nationality is Princess Maria Anna Of Anhalt-Dessau's father?
Answer: German