leading Ferdinand to incurred a high level of debt. Part of collections remained in Innsbruck, and part ultimately was moved to the Kunsthistorisches Museum in Vienna. After the death of his wife Philippine in 1580, he married his niece, Anna Caterina Gonzaga, a daughter of William I, Duke of Mantua, in 1582. Archduke Ferdinand died on 24 January 1595. Since his sons from the first marriage were not entitled to the inheritance, and the second produced only surviving daughters, Tirol was reunified with the other Habsburg lands. His daughter from the Mantuan marriage to Anna Caterina (later Anna Juliana) became Holy Roman Empress Anna, consort of Emperor Mathias, who received his Further Austrian inheritance. Children He and his first wife Philippine Welser were parents of four children: Margrave Andrew of Burgau (15 June 1558 – 12 November 1600). Became a cardinal in 1576, Margrave of Burgau in 1578, Bishop of Constance in 1589 and Bishop of Brixen in 1591. He had two illegitimate children. Charles, Margrave of Burgau (22 November 1560 – 30 October 1618), Margrave of Burgau. He married his first cousin, Sibylle (1557–1627), the youngest daughter of daughter of William, Duke of Jülich-Cleves-Berg (28 July 1516 – 5 January 1592), and Maria, Archduchess of Austria, daughter of Ferdinand I, Holy Roman Emperor. They had no legitimate children. He and his mistress Chiara Elisa di Ferrero had three illegitimate children. Philip of Austria (7 August 1562 – 9 January 1563), twin of Maria. Maria of Austria (7 August 1562 – 25 January 1563), twin of Philip. On 14 May 1582, Ferdinand married his niece Anna Caterina Gonzaga. She was a daughter of William I, Duke of Mantua, and Eleonora of Austria, younger sister of Ferdinand. They were parents to three daughters: Archduchess Anna Eleonore of Austria (26 June 1583 – 15 January 1584). Archduchess Maria of Austria (16 June 1584 – 2 March 1649), a nun. Archduchess Anna of Austria (4 October 1585 – 14 December/15 December 1618); married her first cousin Matthias, Holy Roman Emperor. He had at least two illegitimate children: With Anna von Obrizon: Veronika von Villanders (1551–1589). Married Giovan Francesco di Gonzaga-Novellara, Lord of Campitello. With Johanna Lydl von Mayenburg: Hans Christoph von Hertenberg (c. 1592 – 2 September 1613). Married Ursula Gienger. Ancestors Notes External links Ferdinand II of Austria Ferdinand II of Austria 16th-century archdukes of Austria Counts of Tyrol Knights of the