Question: Who is the maternal grandmother of Henry Of Nassau-Dillenburg?

Knowledge 1: Henry of Nassau-Dillenburg
Henry of Nassau, count of Nassau-Dillenburg, (15 October 1550 in Dillenburg – 14 April 1574 in Mook) was the youngest brother of William I of Orange-Nassau.He was the twelfth and last child of William the Rich and Juliana of Stolberg-Werningerode, and was raised a Lutheran.He studied in Leuven and Strasbourg.He and his brothers William and Louis joined the Huguenot army of Louis I de Bourbon, prince de Condé and took part in the Battle of Moncontour (30 October 1569).Henry fell in the battle of Mookerheyde at the age of 23.His elder brother Louis was also killed in this battle.Their bodies have never been recovered. [SEP] Knowledge 2: Juliana of Stolberg
Juliana, Countess of Stolberg-Wernigerode (15 February 1506 in Stolberg, Saxony-Anhalt – 18 June 1580) was the mother of William the Silent, the leader of the successful Dutch Revolt against the Spanish in the 16th century.Juliana was born in Stolberg as the daughter of Bodo VIII, Count of Stolberg-Wernigerode and Anna of Eppstein-Königstein.She was raised a Roman Catholic but changed her religion twice, first to Lutheranism and later to Calvinism.She, along with her second husband, was a convinced Protestant and raised their children in the Protestant ways.After the death of her second husband in 1559 she remained living at Dillenburg castle, now belonging to her second son John, where she died in 1580.Her entire life, she kept close to her children, especially William.When William began his rebellion against Philip II of Spain she supported her son morally and financially.Because of this financial support, William was able to campaign against Spain in the Netherlands.A fictionalized account of her life is found in Ethel Herr, Dr. Oma: The Healing Wisdom of Countess Juliana Von Stolberg (P&R Publishing, 2006).
Knowledge 1: Juliana of Stolberg
Juliana, Countess of Stolberg-Wernigerode (15 February 1506 in Stolberg, Saxony-Anhalt – 18 June 1580) was the mother of William the Silent, the leader of the successful Dutch Revolt against the Spanish in the 16th century.Juliana was born in Stolberg as the daughter of Bodo VIII, Count of Stolberg-Wernigerode and Anna of Eppstein-Königstein.She was raised a Roman Catholic but changed her religion twice, first to Lutheranism and later to Calvinism.She, along with her second husband, was a convinced Protestant and raised their children in the Protestant ways.After the death of her second husband in 1559 she remained living at Dillenburg castle, now belonging to her second son John, where she died in 1580.Her entire life, she kept close to her children, especially William.When William began his rebellion against Philip II of Spain she supported her son morally and financially.Because of this financial support, William was able to campaign against Spain in the Netherlands.A fictionalized account of her life is found in Ethel Herr, Dr. Oma: The Healing Wisdom of Countess Juliana Von Stolberg (P&R Publishing, 2006). [SEP] Knowledge 2: 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.
Knowledge 1: Henry of Nassau-Dillenburg
Henry of Nassau, count of Nassau-Dillenburg, (15 October 1550 in Dillenburg – 14 April 1574 in Mook) was the youngest brother of William I of Orange-Nassau.He was the twelfth and last child of William the Rich and Juliana of Stolberg-Werningerode, and was raised a Lutheran.He studied in Leuven and Strasbourg.He and his brothers William and Louis joined the Huguenot army of Louis I de Bourbon, prince de Condé and took part in the Battle of Moncontour (30 October 1569).Henry fell in the battle of Mookerheyde at the age of 23.His elder brother Louis was also killed in this battle.Their bodies have never been recovered. [SEP] Knowledge 2: William I, Count of Nassau-Dillenburg
William I, Count of Nassau- Dillenburg( nicknamed" William the Rich",; 10 April1487 – 6 October 1559) was a count of Nassau- Dillenburg from the House of Nassau.His nickname" the Rich" refers to him having many children.However, he owned a number of counties: Nassau- Dillenburg, Nassau- Siegen, Nassau- Dietz and Vianden.William was born in Dillenburg as the younger son of Count John V of Nassau- Dillenburg and Landgravine Elisabeth, daughter of Landgrave Henry III of Hesse- Marburg and Anna of Katzenelnbogen.He was the brother of count Henry III of Nassau- Breda and the father of William I of Orange.His eldest son William the Silent inherited the principality of Orange in Southern France from his cousin René of Chalon, as well as the vast properties of the House of Nassau- Dillenburg in the Netherlands from his father, which Engelbert I of Nassau had received by marriage in 1403.The early House of Orange- Nassau descends from William I., the Silent, while the later House of Orange- Nassau( and the Dutch royal family) descends in the male line from his younger brother John, Count of Nassau- Dillenburg, and from the latter's fifth son, Count Ernst Casimir of Nassau- Dietz, however in the female line also from William of Orange.

Answer: Anna of Eppstein-Königstein