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In page Ingrid of Sweden:

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The question of Ingrid's marriage was a hot topic of conversation in the 1920s. She was matched with various foreign royalties and was seen by some as a possible wife for the heir-apparent to the British throne, the Prince of Wales, who was her second cousin.[1] Her mother, Margaret of Connaught, and the then-Prince of Wales' father, King George V, were first cousins, both being grandchildren of Queen Victoria. In 1928, Ingrid met the Prince of Wales in London. However, no engagement took place.[2]