Definition: Given a question and a context passage, generate the answer having the word or phrase from the context passage. Here, the answer should be a shortest continous span from the passage.
Input: Context: Elisabeth of Mecklenburg-Gustrow (3 September 1668 - 25 August 1738), was a German noblewoman member of the House of Mecklenburg and by marriage Duchess of Saxe-Merseburg-Spremberg (during 1692-1731) and Saxe-Merseburg (during 1731-1738).
Question: What noble family was Elisabeth of Mecklenburg-Gustrow part of?
Output:
house of mecklenburg