Question: Who is the mother-in-law of Princess Therese Of Saxe-Altenburg?
Sentence (from "Prince August, Duke of Dalarna"): Prince Nikolaus August of Sweden and Norway, Duke of Dalarna (24 August 1831 – 4 March 1873) was the youngest of the five children of King Oscar I of Sweden and Josephine of Leuchtenberg.
Relevant evidence: Yes