Question: What was the place of death of Agnes, formerly of the state where Küstriner Bach is located?

full_context: Document 1: Thuringia: The most important river in Thuringia is the Saale (a tributary of the Elbe) with its tributaries Unstrut, Ilm and Weiße Elster, draining the most parts of Thuringia and the Werra (the headwater of the Weser), draining the south-west and west of the Land. Furthermore, some small parts on the southern border are drained by tributaries of the Main (a tributary of the Rhine). There are no large natural lakes in Thuringia, but it does have some of Germany's biggest dams including the Bleiloch Dam and the Hohenwarte Dam at Saale river same as the Leibis-Lichte Dam and the Goldisthal Pumped Storage Station within the Highland. Thuringia is Germany's only state without connection to navigable waterways.
Document 2: Nuthe: The Nuthe is a river in Brandenburg, Germany, left tributary of the Havel. Its total length is . The Nuthe originates in the Fläming region, near Niedergörsdorf. It flows north through Jüterbog, Luckenwalde, Trebbin and Saarmund. The Nuthe joins the Havel in central Potsdam.
Document 3: Agneta Horn: Agneta Horn was the daughter of Gustav Horn, Count of Björneborg and Kristina Oxenstierna, and the granddaughter of Axel Oxenstierna. She was born in Riga in what is now Latvia, because her father was a Swedish military officer stationed outside of the country at the time of her birth. At six weeks of age, despite the unusual nature of a whole family living together in a Swedish military camp, Agneta and her mother joined Gustav at a camp in Kurland, in western Lithuania. The family lived there together through the fall and winter. In the spring when Gustav traveled to Germany with the military, Agneta and her mother returned to their Swedish home. Soon after, Agneta's younger brother Axel was born. The family was reunited with Gustav again in Neumark after Axel's birth. Horn writes: "Because she took us both with her and sailed to Germany and landed at Wolgast, where my father met her. Then, he took her and us with him to the army, which at the time was in Neumark" ("Agneta Horn’s Leverne", 1910). Therefore, from a young age, Agneta was exposed to Swedish military campaigns, particularly the war between Sweden and Denmark. In her autobiography she recalls this experience: "But then came the King of Denmark and camped across from our army. And they began to shoot at each other's camps with guns. Because they were shooting so close together the bullets fell into our tent" ("Agneta Horn’s Leverne", 1910). In 1634 Gustav Horn was captured by Imperialist military forces and held as a prisoner of war for eight years. Kristina died when Agneta was a child. Her father remarried, and Agneta was raised for much of her childhood by Ebba Leijonhufvud, a "cold and heartless" aunt.
Document 4: Duchess Anna of Prussia: Duchess Anna of Prussia and Jülich-Cleves-Berg (3 July 1576 – 30 August 1625) was Electress consort of Brandenburg and Duchess consort of Prussia by marriage to John Sigismund, Elector of Brandenburg. She was the daughter of Albert Frederick, Duke of Prussia, and Marie Eleonore of Cleves.
Document 5: Duchess Hedwig of Württemberg: Duchess Hedwig of Württemberg (15 January 1547, Basel – 4 March 1590, Marburg) was a princess of Württemberg by birth, and by marriage Landgravine of Hesse-Marburg.
Document 6: Agnese Visconti: Agnese Visconti also known as Agnes (1363 in Milan – 1391 in Mantua) was a daughter of Bernabò Visconti and his wife Beatrice Regina della Scala. She was consort of Mantua by her marriage to Francesco I Gonzaga.
Document 7: Küstriner Bach: Küstriner Bach is a river of Brandenburg, Germany. It flows into the Oberpfuhl, which is drained by the Woblitz, near Lychen. It does not take its name from the town "Küstrin" (Kostrzyn nad Odrą) but from the village "Küstrinchen" and the "Großer Küstriner See", both near Lychen.
Document 8: Agnes of Brandenburg, Duchess of Pomerania: Agnes of Brandenburg (born 17 July 1584 in Berlin; died: 26 March 1629 in Amt Neuhaus) was a Princess of Brandenburg by birth and by marriage successively Duchess of Pomerania and of Saxe-Lauenburg.
Document 9: Magdalena of Brandenburg, Countess of Hohenzollern: Magdalene of Brandenburg (1460 in Tangermünde – 17 June 1496 at Hohenzollern Castle) was a German noblewoman. She was a princess of Brandenburg by birth and by marriage a Duchess of Hohenzollern.
Document 10: Finow: Finow is a river of Brandenburg, Germany. Originally, it flowed into the Oder near Oderberg, but since the creation of the Finow Canal in the 17th century, it flows into this canal near Finowfurt.
Document 11: Obra (river): Obra is a river in west Poland, a tributary of the Warta river (in Skwierzyna), with a length of 171 kilometres and a basin area of 2,760 km. The river is popular with canoe and kayak enthusiasts and an established canoe trail exists.
Document 12: Agnes Miegel: Agnes Miegel (9 March 1879 in Königsberg, East Prussia – 26 October 1964 in Bad Salzuflen, West Germany) was a German author, journalist, and poet. She is best known for her poems and short stories about East Prussia, but also for the support she gave to the Nazi Party.
Document 13: Plane (river): The Plane is a river in Brandenburg, Germany, left tributary of the Havel. Its total length is . The Plane originates in the High Fläming Nature Park, near Rabenstein. It flows north through Planetal and Golzow. The Plane joins the Havel in the Breitlingsee lake west of Brandenburg an der Havel.
Document 14: Sophie of Brandenburg-Ansbach-Kulmbach: Sophie of Brandenburg-Ansbach-Kulmbach (10 March 1485, Ansbach – 24 May 1537, Liegnitz (Legnica)) was a princess of Brandenburg-Ansbach and was by marriage Duchess of Legnica.
Document 15: Alte Schlaube: Alte Schlaube is a river of Brandenburg, Germany. It is the former lower course of the Schlaube. It discharges into the "Brieskower See", which is connected to the Oder, near Brieskow-Finkenheerd.
ground_truth: Amt Neuhaus
sub_queries: Which state is Küstriner Bach located? Answer: Brandenburg
Agnes of Brandenburg >> place of death Answer: Amt Neuhaus