Good morning.
Family name: von der
Miesten / von der Misten
Mostly all the parishes to which you refer are part of the church district "Land Hadeln" [not(!!) to be translated since that is a fixed term/name!] in Lower Saxony, Germany.
In order to get an overview over the parishes belonging to that church district please see here for instance:
www.archion.de
Unfortunately none of the church registers are already online available on Archion and right now it cannot be told as of when that may chance.
Therefore the only possibility you have to find church records pertaining your ancestors is to contact the non-profit genealogical society
Niedersächsischer Landesverein für Familienkunde (NLF) in Hannover, Lower Saxony, Germany
since they have those microfilmed church registers of interest in their holdings.
None of that material is online available, though.
You may contact them and ask to search for the desired records. Be aware that they will charge for their services - so please ask upfront.
For contact data and more information see here:
Niedersächsischer Landesverein für Familienkunde e. V.; Schwerpunkt des Vereins ist die Ahnenforschung in Niedersachsen; Hannover Rückertstr. 1
www.familienkunde-niedersachsen.de
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For records from 1876 on forward (records younger than 1876) civil registration offices / city archives / state archives need to be contacted since the civil registration records documenting events like birth, marriage, death are parts of their holdings.
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Just in case of additional interest
...for more information regarding the parish Nordleda
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Still existing gravesides on the cemetery in Nordleda may be seen here
Grabsteine Friedhof Nordleda
Other than in Australia, or in the U.S. for instance, gravesides in the majority of cases
only exist for 30 years after the individual's death. (Unless we're talking about prominent / notable people whose gravesides -due to special historical interest- are kept longer.
Given that, you will find death records and (may be) information where a person has been buried, but you will most likely no longer find their individual graveside.
Some "von der Miesten" gravesides are listed
von der Miesten - Friedhof Hechthausen
von der Miesten - Friedhof Lintig
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As a pure "shot into the dark" [since I have no idea if these people are part of your ancestry] there's a will / testament, dated 1891, available for the couple "Master smith Friedrich Beckmann and his wife Wilhelmine (née von der Miesten) in Nordleda"
Testament des Schmiedemeisters Friedrich Beckmann und seiner Ehefrau Wilhelmine (geb. von der Miesten) zu Nordleda, Arcinsys ist ein Archivinformationssystem der Landesarchive Hessen und Niedersachsen mit einer Onlinesuche für Archivalien und Funktionen für alle archivischen Aufgabenbereiche.
www.arcinsys.niedersachsen.de
This record is not online available and part of the holdings of the State Archive in Stade, Lower Saxony.
It is possible to order a copy; be aware that charges will apply!
Do yourself a favor and start step-by-step ---- here: step 1 ---> contact the NLF
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I trust you are already aware of the "von der Miesten" family trees on Ancestry, right?
Kind regards,
Vera