What organization did the woman, who Märta Ulfsdotter was the head lady in waiting of, found?
Margaret I of Denmark Margaret I (Danish: "Margrete Valdemarsdatter" , Norwegian: "Margrete Valdemarsdatter" , Swedish: "Margareta Valdemarsdotter" , Icelandic: "Margrét Valdimarsdóttir" ; 1353 – 28 October 1412), was queen consort of Norway 1363-1380 and Sweden 1363-1364, and later ruler in her own right of Denmark, Norway and Sweden, from which later period there are ambiguities regarding her specific titles. She was the founder of the Kalmar Union, which spanned Scandinavia for over a century. Margaret was known as a wise, energetic and capable leader, earning the nickname "Semiramis of the North", or "the Lady King". Though the latter was a derisive nickname invented by her rival Albert of Mecklenburg, it became widely used in recognition of her capabilities.
Swedish Peace and Arbitration Society The Swedish Peace and Arbitration Society (SPAS), or "Svenska freds- och skiljedomsföreningen ", is a non-governmental organization in Sweden, dedicated to peace, disarmament and democratization. It operates by methods including publishing, lobbying, activism and participating in political debates. SPAS has published an array of books and reports. The name of the organization's member's magazine is "Pax". SPAS' central office is situated in Stockholm, headed by current president Agnes Hellström. However, there are about 20 local branches throughout Sweden. The society has a total of about 8500 members.