She had three sons - the future King Frederik VIII of Denmark, Vilhelm who became King Giorgios I of Greece, and Valdemar. She had three daughters - Alexandra who married Edward VII to become Queen of England, Dagmar who married Grand Duke Alexander and became Empress Maria Feodorovna when he became Tsar Alexander III, and Thyra who became Duchess of Hanover. Two Kings, one Tsaritsa, a Queen, a Prince, and a Duchess. Not bad for a 19th-century mom marrying off her kids. Her Wikipedia article is here.