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.
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 Marie of Waldeck and Pyrmont
Princess Marie of Waldeck and Pyrmont (Georgine Henriette Marie; 23 May 1857 – 30 April 1882) was the third daughter of George Victor, Prince of Waldeck and Pyrmont and his wife, Princess Helena of Nassau, younger half-sister of Adolphe, Grand Duke of Luxembourg.
Princess Helena of Nassau
Princess Helena of Nassau (18 August 183127 October 1888) was a daughter of William, Duke of Nassau, and consort of George Victor, Prince of Waldeck and Pyrmont.
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.
Princess Helena of Waldeck and Pyrmont
Princess Helena of Waldeck and Pyrmont( Helene Friederike Auguste; later Duchess of Albany; 17 February 1861 – 1 September 1922), who became a member of the British royal family by marriage, was the fifth daughter and child of George Victor, Prince of Waldeck and Pyrmont and his first wife, Princess Helena of Nassau.
Marian Shields Robinson
Marian Lois Robinson( née Shields; born July 29, 1937) is the mother of Michelle Obama, former First Lady of the United States, and Craig Robinson, a basketball executive, and the mother- in- law of former U.S. President Barack Obama.
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.
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.
George Victor, Prince of Waldeck and Pyrmont
George Victor (14 January 1831 – 12 May 1893) was the 3rd sovereign Prince of the German state of Waldeck and Pyrmont.
He was born in Arolsen the son of George II, Prince of Waldeck and Pyrmont and his wife Princess Emma of Anhalt-Bernburg-Schaumburg-Hoym.
He succeeded as prince originally under the guardianship of his mother on 15 May 1845 following the death of his father.
He died of pneumonia in Marienbad, Bohemia and was succeeded by his eldest son Friedrich.

Question: Who is Princess Helena Of Nassau's mother-in-law?