To be privately owned
Hornoldendorf Manor

Rittergut Hornoldendorf is a former manor in the Detmold district of Hornoldendorf. The manor house from 1840 is registered under the number A629 in the list of monuments of the Lippe city of Detmold in North Rhine-Westphalia.
The Hornoldendorf estate dates back to a domain founded in 1610 by Count Simon VI. Previously, in 1600, he had bought a piece of land from the indebted farmer Hermeler and, on May 15, 1600, seized the farm from the widow of the indebted farmer Meier. The farm of farmer Vogel was added as the third farm. An inventory list from January 20, 1610, lists the following possessions: On Meier's farm, a residential house or outbuilding, a sheepfold, and a bakehouse; on Vogel's farm, a residential house and a small house; on Hermeler's farm, a residential house owned by the daughter, a bakehouse, and a garden. Various lands were also added. Hans Adam von Hammerstein, whose ancestors came from Hammerstein Castle (on the Rhine), was appointed as administrator. Von Hammerstein had the buildings repaired at his own expense and also paid outstanding debts of 1000 thalers. He finally took over the domain in 1614 as an hereditary, noble, and parliamentary estate. The background was that Count Simon had debts of around 700,000 thalers, and von Hammerstein had granted him a loan of 12,000 thalers, which the Count settled by transferring the domain. In 1617, he expanded his estate by purchasing the Schwartzesche estate in Fromhausen from Count Simon. After his death in February 1653, the estate passed as an inheritance to his eldest son, whose name was also Hans Adam.
The burden on the farmers from the surrounding villages of Hornoldendorf, Heiligenkirchen, Berlebeck, Fromhausen, and Holzhausen repeatedly led to sometimes fierce disputes with the Hammersteins. For example, between 1644 and 1660, the so-called Goat War occurred, the cause of which was the damage to the forests by the goats and sheep of the manor. From 1682 to 1702, there was the struggle for sheep grazing rights, which could only be settled by a judgment from Detmold. The farmers' struggle against servitude also flared up repeatedly.
In the mid-18th century, after financial difficulties of the Hammersteins, there was a land exchange with farmers from the surrounding area.
The estate remained in the possession of the Hammerstein family until 1804 and then changed owners several times: First, it was acquired by Amtmann Brakmann from Bisperode, and in 1830, it went to Clemens Albert Caesar. From 1858 to 1872, Ernst Kaspar Max Troost from Mülheim an der Ruhr was the owner, who in turn sold it in October 1872 for 100,000 thalers to the retiree Ebell from Hanover. Already in February of the following year, building councilor Ferdinand Walbrecht from Hanover acquired the estate for 120,000 thalers and bought additional lands. Finally, on February 16, 1939, farmer Ernst Oetker from Pattensen bought the now approximately 271-hectare estate for 900,000 Reichsmark. Today it is managed by the real estate administration of his son Arend Oetker.
Manor House Monument+
A plan from 1756 shows the moated castle surrounded by a moat on the grounds. After the castle was demolished, the moat was filled in, and the still-existing manor house was built southwest of it.
The late-classical building was erected in 1840 under the estate owner Clemens Albert Caesar. Above the high basement, the two-story plastered building with a hip roof rises. The historic dormer windows have since been replaced by skylights but were reconstructed after 2007. The eaves sides facing the garden and the courtyard are structured by seven window axes each, with flat triangular gables in the middle of the roof on both sides, containing semicircular arched windows with muntins. A continuous cornice separates the ground and upper floors. The two-winged casement windows with shutters are divided by rusticated ashlar on the ground floor at full story height and by pilasters on the upper floor.
The entrance on the courtyard side is via an open staircase with sandstone steps; the entrance door was replaced in 1940 by an oak door. Above the entrance portal, a small balcony with an iron railing is attached. The open staircase on the garden side was altered by the construction of a wooden veranda. The veranda and the balcony above it, spanning three window axes, form a winter garden.
Inside, the original room structures and doors are largely preserved. During a renovation in 1939, the interior was upgraded with parquet floors, coved ceilings, stucco, and wooden wall paneling.
The building has been a protected monument since July 9, 2007.
Natural Monument Pedunculate Oak+
In the wall at the southern edge of the manor, a pedunculate oak grows, which is referred to as a thousand-year-old oak. The actual age of the tree is estimated to be between 380 and 500 years. In April 2008, a trunk circumference of 9 meters was measured. This places it 23rd on the list of the thickest oaks in Germany. The hollow trunk was bricked up in the 1970s after children had detonated fireworks there. In October 2012, the tree became a victim of arson and has since been severely damaged. It is registered under the number 5.12.1 in the list of natural monuments in Detmold.
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Location: 51.9060, 8.8924