Neuendorf Monastery

The eponymous monastery Neuendorf was first mentioned in documents in 1232 and was a monastery of the Cistercian nuns. The monastery belonged in the 14th century to the largest landowners of the Altmark.
The historian Rohrlach names three dominions of the village. One part belonged to the monastery, another part was a Freigut and the third part about "service and camp on the monastery to Neuendorf poor people" belonged before 1535 to 1598 by Alvensleben the rule Erxleben and in the bailiwick Gardelegen and the Chüden and Pauermeyer further lent.
In 1232, Margrave John gave the newly founded monastery ecclesie videlicet sancte Marie in Niendorpneun hooves from the village. 1233 then the rest of the village with all rights, mills, pastures and forests. The last provost of the monastery called Schütte is dismissed in 1544. Monastery captain becomes Jerome of Drübsdorf, this transfers 1545 the administration of the monastery to the Amtmann of the office (monastery) Neuendorf.

Those:
de.m.wikipedia.org/wiki/Kloster_Neuendorf

Neuendorf Abbey was first documented in 1232 and was a Cistercian monastery. It belonged to the Diocese of Verden and developed into one of the largest landowners in the Altmark region in the 14th century. The nuns cultivated large estates and promoted the agricultural development of the region.After the Reformation, the monastery was secularized in 1579 by the Elector of Brandenburg and converted into a Protestant convent. This existed until 1810. Subsequently, the buildings were used for various purposes, including as a manor.The monastery church of St. Mary, Benedict, and St. Bernard is an example of North German Brick Gothic architecture. It was built in the 13th century and rebuilt several times. Today, it serves as a Protestant parish church and is occasionally used for cultural events. In addition to the church, the former monastery complex also includes farm buildings and the manor park, which is a listed building.