Marianne von Weizsäcker
Marianne Viktoria Armgard Helene Doria Freifrau von Weizsäcker, née" von Kretschmann"( born 17 May 1932) is the widow of Richard von Weizsäcker, the President of West Germany and reunited Germany from 1984 to 1994.
Francesca von Habsburg
Francesca von Habsburg- Lothringen( born 7 June 1958) is an art collector and the estranged wife of Karl von Habsburg, current head of the House of Habsburg- Lorraine.
Robert K. von Weizsäcker
Robert Klaus Freiherr von Weizsäcker( born 6 December 1954) is a German Economist and Honorary President of the German Chess Federation.
Since 2003 he has held the Chair of Economics, Public Finance and Industrial Organization at Technical University of Munich.
He is the eldest son of the late former German President Richard von Weizsäcker( 1920- 2015).
Theodred II (Bishop of Elmham)
Theodred II was a medieval Bishop of Elmham.
The date of Theodred's consecration unknown, but the date of his death was sometime between 995 and 997.
Karl Heinrich Weizsäcker
Karl Heinrich Weizsäcker (11 December 1822 – 13 August 1899) was a German Protestant theologian.
Elisabeth Raiser
Elisabeth Raiser( née Bertha Elisabeth Freiin von Weizsäcker) is a 21st- century historian, former President of the German Evangelical Church Assembly, and daughter of Carl Friedrich von Weizsäcker.
Ernst von Weizsäcker
Ernst Heinrich Freiherr von Weizsäcker( 25 May 1882 – 4 August 1951) was a German naval officer, diplomat and politician.
He served as State Secretary at the Foreign Office of Nazi Germany from 1938 to 1943, and as its Ambassador to the Holy See from 1943 to 1945.
He was a member of the prominent Weizsäcker family, and the father of German President Richard von Weizsäcker and physicist and philosopher Carl Friedrich von Weizsäcker.
Carl Friedrich von Weizsäcker
Carl Friedrich Freiherr von Weizsäcker( 28 June 1912 – 28 April 2007) was a German physicist and philosopher.
He was the longest- living member of the team which performed nuclear research in Germany during the Second World War, under Werner Heisenberg's leadership.
There is ongoing debate as to whether or not he and the other members of the team actively and willingly pursued the development of a nuclear bomb for Germany during this time.
A member of the prominent Weizsäcker family, he was son of the diplomat Ernst von Weizsäcker, elder brother of the former German President Richard von Weizsäcker, father of the physicist and environmental researcher Ernst Ulrich von Weizsäcker and father- in- law of the former General Secretary of the World Council of Churches, Konrad Raiser.
Weizsäcker made important theoretical discoveries regarding energy production in stars from nuclear fusion processes.
He also did influential theoretical work on planetary formation in the early Solar System.
In his late career, he focused more on philosophical and ethical issues, and was awarded several international honors for his work in those areas.
Konstantin von Kügelgen
Konstantin Karl von Kügelgen( 1810 in Saratov – 1880 in Dorpat) was a German landscape painter and the son of Karl von Kügelgen.
Karl von Weizsäcker
Karl Hugo Freiherr von Weizsäcker (25 February 1853 – 2 February 1926) was a German politician who served as Prime Minister of the Kingdom of Württemberg, and a member of the prominent Weizsäcker family.
He was born "Karl Hugo Weizsäcker" in Stuttgart, the son of the theologian Karl Heinrich Weizsäcker and his wife, the former Auguste Sophie Christiane Dahm.
While serving as a politician at the court of the Kingdom of Württemberg, his family was raised to nobility as von Weizsäcker.
Weizsäcker studied at the University of Tübingen.
While serving in the administration of King William II of Württemberg, he was raised to personal nobility on 24 February 1897.
From 1900 onwards, he served as Minister of Culture — until 4 December 1906 when he was made Prime Minister.
He served in this office until 6 November 1918, shortly before the monarchy was abolished.
In 1916, he and his family were raised to the hereditary noble title of Baron (Freiherr).
Weizsäcker was the father of Ernst von Weizsäcker and thus grandfather of the physicist Carl Friedrich von Weizsäcker and of Richard von Weizsäcker, who was President of Germany 1984-94.
He died in Stuttgart in 1926.

Question: When is Karl Von Weizsäcker's father's birthday?
Answer: 11 December 1822