Prince Frederick of Orange-Nassau
Frederick, Prince of Orange- Nassau( 15 February 1774 6 January 1799) was the youngest son of William V, Prince of Orange and Stadtholder of the Dutch Republic and Princess Wilhelmina of Prussia, sister of King Frederick William II.
Commonly called Fritz inside the family, he chose a military career with the Holy Roman Empire, he died of a fever while serving in Padua, Italy.
Sixx Orange
Sixx Orange( born December 30, 2001) is an American actress who played Devin on" The Kicks".
Anna van Egmont
Anna van Egmont (March 1533 – 24 March 1558) was a Dutch heiress who became the first wife of William the Silent, Prince of Orange.
Anna was born in Grave, Netherlands.
As the only child of Maximiliaan van Egmond and Françoise de Lannoy, she was "suo jure" Countess of Buren and Lady of Egmond.
She was also Countess of Lingen and of Leerdam, and Lady of IJsselstein, of Borssele, of Grave, of Cranendonck, of Jaarsveld, of Kortgene, of Sint Maartensdijk, and of Odijk.
In 1551 she married William the Silent in Buren, and thereby he earned the titles Lord of Egmond and Count of Buren.
Anna van Egmont had three children with William the Silent:
Anna died and was buried in Breda.
Princess Marie of the Netherlands
Princess Marie of the Netherlands( 5 June 184122 June 1910) was the fourth child and younger daughter of Prince Frederick of the Netherlands and wife of William, 5th Prince of Wied.
She was the mother of William, Prince of Albania.
She was the last surviving grandchild of William I of the Netherlands.
Landgravine Marie Louise of Hesse-Kassel
Marie Louise of Hesse-Kassel (7 February 1688 – 9 April 1765) was a Dutch regent, Princess of Orange by marriage to John William Friso, Prince of Orange, and regent of the Netherlands during the minority of her son and her grandson.
She was a daughter of Charles I, Landgrave of Hesse-Kassel, and Maria Amalia of Courland.
She and her husband are the most recent common ancestors of all currently reigning monarchs in Europe.
Marie Louise is notable for having served as regent for two periods in Dutch history: during the reigns of her young son, William IV, Prince of Orange from 1711 and 1730, and of her young grandson, William V, Prince of Orange, from 1759 to 1765.
She was often fondly referred to as Marijke Meu (Aunt Mary) by her Dutch subjects.
William, Prince of Wied
William V, Prince of Wied( 22 August 184522 October 1907) was a German officer and politician, elder son of Hermann, Prince of Wied.
He was the father of William, Prince of Albania and brother of Queen Elisabeth of Romania.
Minamoto no Chikako
She was the mother of Prince Morinaga.
Hermann, Prince of Wied
Hermann, Prince of Wied( 22 May 18145 March 1864) was a German nobleman, elder son of Johann August Karl, Prince of Wied.
He was the father of Queen Elisabeth of Romania and grandfather of William, Prince of Albania.
Philip William, Prince of Orange
Philip William, Prince of Orange (19 December 1554 in Buren, Gelderland – 20 February 1618) was the eldest son of William the Silent by his first wife Anna van Egmont.
He became Prince of Orange in 1584 and Knight of the Golden Fleece in 1599.
William Frederick, Prince of Wied
William Frederick, Prince of Wied( 27 June 187218 June 1945) was a German nobleman, eldest child of William, Prince of Wied.
He was an elder brother of William, Prince of Albania.

Question: What is the place of birth of Philip William, Prince Of Orange's mother?
Answer: Grave