1259-66 Regent Dowager Queen Margrethe Sambiria Sprænghest
1266-81 Lady of Estonia and Virland

Born as a Pommerian Princess, she was regent for her son Erik 5. Klipping after the death of her husband, Kristoffer I. She fought against the powerful Archbishop Jakob Erlandsen. In 1261 she and her son were taken prisoner in Germany. The next year she returned together with Albrecht of Braunshweig and Erlandsen left the country. She managed to persuade Pope to accept the idea of female succession to the Danish throne, though not to her daughters having succession-rights before male relatives in other lines. Estonia was her dowry which she controlled from Lolland-Falster another Dowry in the South of Denmark. She lived circa (1230-81).

1286-92 Regent Dowager Queen Agnes af Brandenburg
1286 Royal County Sheriff of Lolland-Falster Len

Regent for Erik IV after her husband, Erik V was assassinated. Lolland-Falster was her dowry, which she administered as a royal fief, being in charge of aspects of the local administration. She later married Count Gerhard II of Holsten and became mother of another son, Johann, and died 1304.

1340-74 Politically Influential Queen Consort Helvig von Slesvig

By her marriage to Valdemar IV Atterdag (1340-75), her father gave her 1/4 of Jutland as dowry that he had in security for loans to the Danish kings and other royals who had engaged in a long civil war. Most of the country was in the hands of the Holstein Counts, but her dowry was a contributing factor to the fact that her husband managed to win back all the territory - giving him his by-name "Day again". Helvig must have acted as regent during her husband's many journeys abroad, but she also seems to have ended her days in a convent. She was the mother of Margrethe I of Denmark, and died (circa 1374). 

1376-87 Regent Dowager Queen Margrethe I Valdemarsdatter of Denmark and Norway
1387-1412 Reigning Queen (Husband and Mistress) of Denmark, Sweden and Norway

1420 De-facto Regent Queen Philippa of England of Sweden
1423-25 Regent of Denmark

1448 "Holder of the Royal Authority" Dowager Queen Dorothea zu Brandenburg in Denmark
1448-52 Mistress of Örebro, Närke and Värmland (Sweden)
1481-90 Regent of Slesvig-Holsten (Schleswig Holstein)

1518-23 De-facto In charge of the Customs Sigbrit Villoms
1519-23 "Second in Command" in Denmark
1522-23 De-facto Leader of the Treasury

Generally known as Mor Sigbrit, she was a Dutch tradeswoman who moved Norway and managed a trading company in Bergen of a substantial size. Her daughter, Dyveke, became mistress of the later Christian 2 of Denmark around 1509. When became king in 1513 they moved with him to Copenhagen and Sigbrit's influence grew. Dyveke died suddenly in 1517 - rumoured to have been poisoned. Queen Elisabeth von Habsburg appointed her as her Chief of Court and she also acted as midwife of the king's children. Her brother was a pharmacist and she was knowledgeable about medicine. She was also left in charge of the government when Christian was abroad. 1522 she was given a so-called "General receipt" (generalkvittering), that made her de-facto a kind of Minister of Finance. When the king was deposed in 1523 for his dictatorial rule, she went with the family to the Netherlands where they tried to gain support for the king's return. One of the conditions was that Christian had to part with her. From then on, nothing is heard of her, though the story of an old woman in prison accused of heresy or witchcraft sounds like it could have been her. Sigbrit Willoms also wrote her surname as Villumsdatter and she (d. circa 1532).

1588-94 Regent Queen Dowager Sophie von Mecklenburg-Schwerin of Schleswig-Holstein (Slesvig-Holsten) (Denmark and Germany)
1588-1631 Royal County Sheriff of Lolland-Falster Len and Ravnsborg Len

Widow of Frederik 2., she was regent for son Christian 4. in Slesvig-Holsten 1588-94. She was engaged in a power struggle with the Regents of Denmark, The Council of State, which had Christian declared of age in 1593, but she did not give up her position in the Duchies before the following year. She then withdrew to Lolland-Faster, where she managed her estates extremely well and became very rich and she lend her son a lot of money for his warfares. She lived (1557-1631).

1560-90 Christine, Titular Queen of Denmark, Sweden and Norway, The Wends, Goths and Slavs, Duchess of Schleswig-Holstein, Ditmasken, Lorraine, Bar and Milano, Countess of Oldenborg and Balomnt, Lady of Tortana

1545-59 Regent in Lorraine for son Duke Karl II (1545-1608). 1560 She took over the claims as successor of their father, Christian II (d. 1559), from her sister, Countess Palatine Dorothea, who had no children. Christine lived (circa 1521-90)

1702-08 Regent Dowager Duchess Hedvig Sofia of Sweden of Holstein-Gottorp

Married to Friedrich von Holstein-Gottorp (1671-1702) in 1698. She stayed in Gottorp for about one year and in 1700 her only child, Karl Friedrich (1700-39), was born, and two years later her husband was killed in battle. She was proclaimed regent while the guardianship was given to her brother, Karl. XII.  She was Hereditary Princess of Sweden until her death, and her son stayed in Sweden until 1718, and was generally considered to be heir to the throne - instead his aunt, Ulrika Eleonora the Younger, was chosen as reigning Queen, after the death of her brother, Karl XII. Karl Friedrich's son Carl Peter Ulrich later became Czar Peter of Russia. Hedvig Sofia was daughter of Karl XI and Ulrika Eleonora the Older, and lived (1681-1708)  

1703-11 Postmistress General Dorothea Kragh

In 1694 she married the 63 year old gehejmestatsminister and chief of the Admiralty, baron Jens Juel til Juelinge (d. 1700). Her second husband was Count Christian Gyldenløve of Samsø. She followed him to Italy, where he was in command of a battalion, and gave birth to their first son, Christian Danneskiold-Samsøe. The second son, Frederik, was born in 1703, four month's after Christian's death. Already while pregnant she negotiated with Frederik 4. about taking over the income from the Danish postal service, which her husband had had since 1689. She was appointed Generalpostmester, and much to the surprise of most people, she took over the management herself with the help of a number of representatives. 1705 she made new and detailed instructions to the local postmasters, and when her contract ended in 1711 the post service was a good business with a surplus. In 1715 she married, gehejme-councillor, Count Hans Adolf Ahlefeldt, and lived (1675-1754).

1708-09 Regent Queen Louise von Mecklenburg-Güstow of Denmark and Norway

In charge of the government during her husband, Frederik 4's journey to Italy. She had been married the later king since 1695. Her husband was first married to the "left hand" with Elisabeth Helene von Vieregg and after her death to Comtesse Anna Sophie Reventlow. The Queen became more and more engaged in her pietistic faith. She was mother of two surviving children and three other children who all died as infants, and lived (1667-1721).

1772-84 De-facto Head of the Government Juliane-Marie af Danmark og Norge

Together with her son, Hereditry Prince Arveprins Ferdinand and Conseil President Høegh-Guldberg she deposed the former de-facto leader, the private doctor of the King, Friederich Struense, and was part of the triumvirate that had the power in the name of king Christian 7, who was menally ill. She was born as Princss of Braunschweig-Wolfenbüttel. Her sister, Therese Natalie, was Princess-Abbess of Gandersheim 1766-77 and her sister-in-law, Grand Duchess Anna Pavlovna was regent in Russia 1740-41 for her oldest son, Zar Ivan and after she and the son had been executed her younger children lived in exile in Denmark. Juliane-Marie lived (1729-96)

1814-15 Regent Queen Marie Sofie Frederikke af Danmark og Norge

1850-63 Politically Influential Countess Louise Danner

Louise Christine Rasmussen was a former ballet-dancer and later owner of a fashion-boutique. She had been the mistress of then Crown-Prince Frederik's best friend, Carl Berling, with whom she had a child. After Frederik 7. (1808-48-63) Succeeded to the throne, she moved into the royal palace and the couple married two years later. She was very influential during the reign of her husband, who had a very difficult personality, and divorced his two first royal wifes. Louise was granted the title Lensgrevinde Danner (Fief-Countess) and lived (1815-74).