Question: How long did the dynasty that Gustav Adolf von Wulffen was born in last?
Sentence (from "Saxe-Coburg and Gotha"): Saxe-Coburg and Gotha (German: "Sachsen-Coburg und Gotha" ), or Saxe-Coburg-Gotha, was an Ernestine duchy ruled by a branch of the House of Wettin, consisting of territories in the present-day states of Bavaria and Thuringia in Germany.
Relevant evidence: Yes