You wrote, that your ancestors had lived in Hamburg, before they moved to Russia. Hamburg and other nothern german cities like Luebeck, Bremen or Oldenburg are centres of Klingenberg-living, there is the mass/herd. It is very unlikely/improbable that Klingenberg in Hamburg came from other areas.
Town Meissen is not a center of Klingenberg, here lives now with this name me and my parents and an uncle with family, my brother lives in the near with his family. In the last time also was my grandfather and great-grand-father here in Meissen.
I have written that Meissen is famous by dresden china (in english language it is named Dresden, but since year 1710 produced in Meissen, about 25 km northwest of Dresden).
Dear Faye, I do not think that a porcelain-head-doll is made in Meissen, other german factories may be. The Meissen-porcelain is very expensive, it is used for exclusive dishes (cups, plates) and it is signed by two crossed blue swords. (http//:www.meissen.de) But I know, that such dolls are precious and popular by collectors.
You wrote: Did your family always live in Germany or did they move from Sweden or Norway? It seems like many Germans came from one of the Scandinavian countries.
I think that in a last time when today borders has no meaning the name Klingenberg arose in the area of coast of baltic sea and northern sea, which is now in Netherlands, northern Germany, Denmark, Norway, Sweden, Litauen, Lettland, Poland. I except Finland and Estonia because of language (this is an own group of language together with Hungary), I think that my family came from an other origin of Klingenberg in southern Germany.
Re: Klingenberg near Linz, the castle, the two paragraphs by the pictures:
----------------------------- First certified owner of Klingenberg (castle) was called Burkhart, his name appears in year 1276. In following time often changed the owner of castel. Once it was in reign of "von Wallsee", they've got Klingenberg as pledge/pawn. But Duke Albrecht the first repurchased it. Also Liechtenstein, an old austrian family of nobility, had to do with Klingenberg castle. In the year 1491 the brothers Sigmund and Heinrich Prüeschenk (Reichs-Frei- und Panierherren = old german titles) have sold the castle Klingenberg to Leonhart Schneckenreuter for price of 1400 Gulden in hungarian coins. and so on -----------------------------
Burkhart, Burghardt or similar spelled is a commonly german name, widespread.
I will send a graphic of Klingenberg-density to firstname.lastname@example.org in next week.