King Birger (1280-1321) and Queen Martha of Denmark

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Birger (Swedish: Birger Magnusson; 1280 – 31 May 1321) was King of Sweden from 1290 to 1318.
https://en.wikipedia.org/wiki/Birger,_King_of_Sweden

King of Sweden:
Reign: 18 December 1290 – March/April 1318
Predecessor: Magnus III
Successor: Magnus IV
Born: 1280
Died: 31 May 1321 (aged 40–41)
Burial: Ringsted, Zealand
Consort: Martha of Denmark
House: House of Bjelbo
Father: Magnus III of Sweden
Mother: Hedwig of Holstein
Religion: Roman Catholicism

Martha of Denmark (1277 – 2 March or 3 October 1341) was Queen of Sweden by marriage to King Birger. She was given the name Margaret (Danish: Margrete Eriksdatter at birth, but in Sweden was called Martha (Swedish: Märta), and has been known in history by that name. She was regarded as a politically influential queen and an important figure in the Håtuna games and the Nyköping Banquet.

https://en.wikipedia.org/wiki/Martha_of_Denmark

Queen consort of Sweden:
Tenure: 1298–1318
Coronation: 2 December 1302
Born: 1277, Denmark
Died: 2 March 1341, St. Peter's Abbey, Næstved
Burial: St. Bendt's Church, Ringsted
Spouse: Birger of Sweden
House: House of Estridsen
Father: Eric V of Denmark
Mother: Agnes of Brandenburg
Religion: Roman Catholicism