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.
Countess Catharina Belgica of Nassau
Countess Catharina Belgica of Nassau (31 July 1578 – 12 April 1648) was a countess of Hanau-Münzenberg by marriage to Philip Louis II, Count of Hanau-Münzenberg, and regent of Hanau-Münzenberg from 1612 until 1626.
She was the third daughter of William the Silent and his third spouse Charlotte of Bourbon.
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.
Priscilla Pointer
Priscilla Marie Pointer( born May 18, 1924) is an American stage, film and television character actress.
She began her career in the theater, including productions on Broadway.
Later, Pointer moved to Hollywood to act in films and on television.
She is the mother of Amy Irving, therefore making her the former mother- in- law of filmmakers Steven Spielberg and Bruno Barreto and the mother- in- law of documentary filmmaker Kenneth Bowser, Jr.
Maria Belgica of Portugal
Maria Belgica of Portugal, also known as Maria Belgica of Crato( born before 12 October 1598 – 28 July 1647), was the daughter of Manuel of Portugal, son of the self- proclaimed Portuguese king António of Crato, and Countess Emilia of Nassau( 1569 – 1629), the youngest daughter of William of Orange.
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.
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.
Maria Thins
Maria Thins( c. 1593 – 27 December 1680) was the mother- in- law of Johannes Vermeer and a member of the Gouda Thins family.
Philipp Ludwig II, Count of Hanau-Münzenberg
Philipp Ludwig II of Hanau-Münzenberg (18 November 1576, in Hanau – 9 August 1612, in Hanau), was one of the most notable counts of Hanau of the early modern period, his policies bringing about sweeping changes.
Count Philipp Ludwig II of Hanau-Münzenberg was born in the castle at Hanau and baptised two weeks later on 3 December.
His parents were Count Philipp
Ludwig
I of Hanau-Münzenberg (1553–1580) and Countess Magdalena of Waldeck (1558–1599).
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.

Question: Who is the mother-in-law of Countess Catharina Belgica Of Nassau?