With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Queen Victoria's son belonged to a Russian dynasty.
text_B: House of Saxe-Coburg and Gotha -LRB- -LSB- ˌsæksˌkoʊbɜːɡəndˈɡoʊθə ,   - tə -RSB- German  : Haus Sachsen-Coburg und Gotha -RRB- is a German dynasty , the line of the Saxon House of Wettin that ruled the Ernestine duchies including the duchy of Saxe-Coburg and Gotha .. House of Wettin. House of Wettin. Saxe-Coburg and Gotha. Saxe-Coburg and Gotha. German. German language. Haus Sachsen-Coburg und Gotha. :de :Haus Sachsen-Coburg und Gotha. dynasty. dynasty. Ernestine duchies. Ernestine duchies. Founded by Ernest Anton , the sixth duke of Saxe-Coburg-Saalfeld , it is the royal house of several European monarchies , and branches currently reign in Belgium through the descendants of Leopold I , and in the United Kingdom and the other Commonwealth realms through the descendants of Prince Albert .. Ernest Anton. Ernest III, Duke of Saxe-Coburg-Saalfeld. Saxe-Coburg-Saalfeld. Saxe-Coburg-Saalfeld. royal house. royal house. Belgium. Belgium. Leopold I. Leopold I of Belgium. Prince Albert. Albert, Prince Consort. Due to anti-German sentiment in the United Kingdom during World War I , George V changed the name of his branch from Saxe-Coburg and Gotha to Windsor in 1917 .. Saxe-Coburg and Gotha. Saxe-Coburg and Gotha. German. German language. anti-German sentiment. anti-German sentiment. World War I. World War I. George V. George V. Windsor. House of Windsor. The same happened in 1920 in Belgium , where it was changed to `` van de Belgen '' -LRB- Dutch -RRB- or `` des Belges '' -LRB- French -RRB- , meaning `` of the Belgians '' .. Belgium. Belgium
related.