Queen of Sweden and Norway as the spouse of King Carl XV of Sweden and IV of Norway.
Princess Louise was the daughter of Prince Frederik of the Netherlands, the second child of King Willem I of the Netherlands and Wilhelmina of Prussia. Her mother Louise was the eighth child of King Friedrich Wilhelm III of Prussia and Luise of Mecklenburg-Strelitz.
Princess Louise and Crown Prince Carl married at Storkyrkan in Stockholm on 19 June 1850. Their relationship was unhappy. The couple had dissimilar personalities, with Louise being introverted, shy and with a preference for a simple life, and Carl extraverted and with a love for parties and social life. Louise was reportedly unhappily in love with Carl, who found her unattractive and was unfaithful toward her, which pained her considerably.
From 1852 until 1860, Carl had a relationship with Josephine Sparre, maid of honor to Louise, which caused a scandal.
Louise bore two children; Princess Louise in 1851, and Prince Carl Oscar in 1852. Due to complications that arose at the birth of Prince Carl Oscar, Louise was unable to have any more children. In 1854, her 2-year-old son, Carl Oscar, died of pneumonia.
Louise became Queen of Sweden and Norway at the death of her father-in-law on 8 July 1859. She was the first queen of the union of Sweden-Norway to be crowned in both Sweden and Norway, as Norway had refused to crown her two predecessors because they were Catholics. Louise was crowned Queen of Sweden in Stockholm 3 May 1859 and to Queen of Norway in Trondheim 5 August 1860. She was the first queen to be crowned in Norway since the Middle Ages.
Louise dedicated her royal position to philanthropic activity, which was expected of a female member of royalty and upper class. She founded a number of charity organisations. She translated work from the English and Dutch language to Swedish, which she sold for charitable purposes.
Louise died on 30 March 1871, aged 42, in Stockholm.

Link to Wikipedia biography