Vulkaneifel is a district (Kreis) in the northwest of the state Rhineland-Palatinate, Germany. It is the least densely populated district in the state and the fourth most sparsely populated district in Germany. The administrative centre of the district is in Daun. Neighboring districts are Euskirchen, Ahrweiler, Mayen-Koblenz, Cochem-Zell, Bernkastel-Wittlich, and Bitburg-Prüm.
Ballenstedt is a town in the Harz district, in the German state of Saxony-Anhalt.
Andernach is a town in the district of Mayen-Koblenz, in Rhineland-Palatinate, Germany, of about 30,000 inhabitants. It is situated towards the end of the Neuwied basin on the left bank of the Rhine between the former tiny fishing village of Fornich in the north and the mouth of the small river Nette in the southeast, just 13 miles (21 km) north of Koblenz, with its five external town districts: Kell, Miesenheim, Eich, Namedy, and Bad Tönisstein.
Maria Laach Abbey is a Benedictine abbey situated on the southwestern shore of the Laacher See, near Andernach, in the Eifel region of the Rhineland-Palatinate in Germany. It is a member of the Beuronese Congregation within the Benedictine Confederation. The abbey was built in the 11th-12th centuries and was originally known as "Abtei Laach" until 1862 when the Jesuits added the name "Maria".
Laacher See, also known as Lake Laach or Laach Lake, is a volcanic caldera lake with a diameter of 2 km (1.2 mi) in Rhineland-Palatinate, Germany, about 24 km (15 mi) northwest of Koblenz, 37 km (23 mi) south of Bonn, and 8 km (5.0 mi) west of Andernach. It is in the Eifel mountain range, and is part of the East Eifel volcanic field within the larger Volcanic Eifel. The lake was formed by a Plinian eruption approximately 13,000 years BP with a Volcanic Explosivity Index (VEI) of 6, on the same scale as the Pinatubo eruption of 1991.
Adalbert II of Ballenstedt, an early member of the House of Ascania, was Graf (count) in Saxony and Vogt of Nienburg Abbey.
Henry of Laach was the first count palatine of the Rhine (1085/1087–1095). Henry was the son of Herman I, count of Gleiberg. Henry was a follower of Henry IV, Holy Roman Emperor. He had lands in the southeastern Eifel and on the Moselle River.
Anhalt Castle is a ruined medieval fortification near the town of Harzgerode in Saxony-Anhalt, Germany.
Falkenstein Castle, also formerly called New Falkenstein Castle to distinguish it from Old Falkenstein Castle, is a German hill castle in the Harz Mittelgebirge, dating to the High Middle Ages. It is located in the town of Falkenstein between Aschersleben and Harzgerode.
Otto I, Count of Salm was a German nobleman. He was a ruling count of Salm and from 1125 to 1137, he was co-ruler of the County Palatine of the Rhine with his stepson William.
Otzberg Castle in the German state of Hesse is a medieval castle on the summit of the Otzberg in the Odenwald forest at a height of 367 m above NN. On its northern slopes is the village of Hering, which grew out of the lower ward or castellan's settlement. The history of castle and village is therefore closely interwoven.
Grenzau Castle is a ruined spur castle at 250 m above sea level (NN) near Höhr-Grenzhausen in the county of Westerwaldkreis in the state of Rhineland-Palatinate. It is the only castle in Germany with a triangular bergfried.
The ruins of the Thurant Castle stand on a wide slate hill spur above the villages of Alken on the Moselle in Germany. The castle is in the district of Mayen-Koblenz in Rhineland-Palatinate and belongs to the spur castle type. Vine gardens on the sunniest slope.
Virneburg Castle is a ruined hill castle on a slate hill, 430 m above sea level (NHN), around which the Nitzbach stream flows. It stands above the village of Virneburg in the county of Mayen-Koblenz in the German state of Rhineland-Palatinate.
Wernerseck Castle, also called the Kelterhausburg, is a late medieval hill castle in the municipality of Ochtendung in the county of Mayen-Koblenz in the German state of Rhineland-Palatinate. It owes its name to its founder and lord of the castle, the Archbishop of Trier, Werner of Falkenstein (1388–1418). "Wernerseck" means "Werner's corner".
On a hill spur above the Eifel village of Monreal in Germany's Elzbach valley, at a height of 350 m above sea level (NHN), stand two neighbouring ruined hill castles: the Löwenburg, also called Monreal Castle, and the Philippsburg. The latter is also known locally as das Rech.
Siegfried I of Ballenstedt, was the son of Adalbert II of Ballenstedt, and a member of the House of Ascania. He was count palatine of the Rhineland (r.1095/7-1113), and count of Weimar-Orlamünde (r.1112-1113).
Adelaide of Weimar-Orlamünde was the daughter of Otto I of Meissen and a member of the family of the counts of Weimar and Orlamünde. She married successively, Adalbert II of Ballenstedt, count palatine Herman II, and Henry of Laach.
Gertrude of Northeim, was the daughter of Henry, Margrave of Frisia. Gertrude was heiress of Bentheim and Rheineck. She married first Siegfried I of Weimar-Orlamünde and then Otto I, Count of Salm.
