Margaret Sambiria was Queen of Denmark by marriage to King Christopher I, and regent during the minority of her son, King Eric V from 1259 until 1264. She is the first woman confirmed to have formally ruled as regent of Denmark. She was the reigning fief-holder of Danish Estonia in 1266–1282.
- Occupation
- consort
- Position held
- Queen consort of Denmark
- Citizenship
- Kingdom of Denmark
- Born
- 1230
- Died
- March 1283