Frederick II, Duke of Brunswick-Lüneburg

Frederick II (German: Friedrich II.), also known as Frederick the Pious (German: der Fromme) (1418–1478) was the Duke of Brunswick-Lüneburg and Prince of Lüneburg from 1434 to 1457 and from 1471 to 1478.

Frederick II, Duke of Brunswick-Lüneburg
Died(1478-03-19)19 March 1478
Noble familyHouse of Guelph
Spouse(s)Magdalene of Brandenburg
IssueBernhard II
Otto the Victorious
FatherBernard I, Duke of Brunswick-Lüneburg
MotherMargaret of Saxony


After the death of his father Bernard, Frederick ruled the Principality of Lüneburg jointly with his brother Otto. The highlights of their rule were a major expansion of Celle Castle and numerous reforms to improve the legal position of farmers vis-à-vis their landlords. After his brother died in 1446, Frederick ruled the principality on his own. In 1452 he had a monastery built on the Heylig Kreuz ("Holy Cross") and brought Franciscan friars to Celle. In 1457 he passed the government of the principality to his son, Bernard, and entered the monastery, but in 1471, after the death of his second son Otto V, he left monastic life again and held the reins of power for his 3-year old first grandchild Henry. Frederick was interred in the church of the Franciscan monastery that he had founded in Celle.


In 1437 Frederick II married Magdalene (1412–1454), daughter of Frederick I, Elector of Brandenburg, and had three children by her:[clarification needed]

  1. Bernhard II (died 1464) married Mathilda of Holstein-Schauenburg (died 1468)
  2. Otto the Victorious (1439–1471) married Anna of Nassau-Dillenburg (1441–1514)
  3. Gottfried (1441-1465) never married
  4. Margaret (1442–1512) married Henry, Duke of Mecklenburg-Stargard (died 1466)



  • Geckler, Christa (1986). Die Celler Herzöge: Leben und Wirken 1371–1705. Celle: Georg Ströher. ISBN 3-921744-05-8. OCLC 255990175.

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Frederick II, Duke of Brunswick-Lüneburg
Cadet branch of the House of Este
Born: 1418 Died: 19 March 1478
German nobility
Preceded by Duke of Brunswick-Lüneburg
Princes of Lüneburg
until 1446 joint reign with brother Otto IV

Succeeded by
Preceded by Duke of Brunswick-Lüneburg
Prince of Lüneburg

Succeeded by