Kunigunde of Hohenstaufen
Kunigunde of Hohenstaufen or Kunigunde of Swabia( February/ March 1202 – 13 September 1248) was the third daughter of Philip, Duke of Swabia and his wife, Irene Angelina.
Henry III, Holy Roman Emperor
Henry III( 28 October 1017 – 5 October 1056), called the Black or the Pious, was Holy Roman Emperor from 1046 until his death in 1056.
A member of the Salian Dynasty, he was the eldest son of Emperor Conrad II of Germany and Gisela of Swabia.
His father made him Duke of Bavaria in 1026 after the death of Duke Henry V at the age of 9.
At the age of 11 in 1028, on Easter Day after his father had been crowned Holy Roman Emperor, Henry was elected King of Germany in the cathedral of Aachen, and crowned by Archbishop Pilgrim of Cologne.
To secure his ultimate transition to the throne, upon the death of Duke Herman IV in 1038, Conrad II named him Duke of Swabia as well as the King of Burgundy, which Conrad II had inherited in 1033.
Upon the death of his father on in 1039, Henry became the sole ruler of the kingdom, succeeding his father as Duke of Carinthia and King of Italy.
He was crowned Emperor by Pope Clement II in Rome in 1046.
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.
Frederick III, Duke of Upper Lorraine
Frederick III( 1020 – 1033) was the Count of Bar and Duke of Upper Lorraine from the death of his father, Frederick II, in 1026 or 1027 to his own death.
His mother was Matilda of Swabia, daughter of Herman II, Duke of Swabia.
His father had been co-duke since 1019 and his grandfather, Thierry I, continued to reign until his own death in 1027 or 1028.
His reign is completely obscure.
Even his regent is unknown.
He died young and his county of Bar passed to his sister Sophie while Lorraine was given to Gothelo I, Duke of Lower Lorraine.
Henry IV, Duke of Mecklenburg
Henry IV, Duke of Mecklenburg( 1417 – 9 March 1477) was from 1422 to 1477 Duke of Mecklenburg.
Herman IV, Duke of Swabia
Herman IV (c. 1015-July 1038) was the Duke of Swabia (1030–1038).
He was the second son of Ernest I and Gisela of Swabia.
He was one of the Babenberg dukes of Swabia.
Herman became duke in 1030 following the death of his older brother Ernest II.
At the time he was still a minor.
Seven years later, his stepfather, the Emperor Conrad II, married him to Adelaide of Susa, the marchioness of Turin, in January 1037.
Herman was then invested as margrave of Turin.
In July of the next year, while campaigning with Conrad in Southern Italy, he was struck down by an epidemic near Naples.
Conrad then transferred rule of the duchy of Swabia to his own son, Henry I, while Adelaide remarried to Henry of Montferrat.
He was buried in Trento Cathedral on 28 July 1038, because the summer heat made it impossible to bring his corpse back to Germany.
Because of a late Austrian source, Herman is sometimes mistakenly said to have had children.
This was not the case.
Herman was on campaign for much of his short marriage to Adelaide and he died without heirs.
Adelaide of Susa
Adelaide of Turin (also "AdelheidAdelais", or "Adeline"; – 19 December 1091) was the Countess of part of the March of Ivrea and the Marchioness of Turin in Northwestern Italy from 1034 to her death.
She was the last of the Arduinici and is often incorrectly associated with Susa.
She is sometimes compared to her second cousin, and close contemporary, Matilda of Tuscany.
Judith of Bavaria, Duchess of Swabia
Judith of Bavaria, Duchess of Swabia( 19 May 1100 – 27 Aug 1130) was a Duchess of Swabia by marriage to Frederick II, Duke of Swabia.
She was the mother of Frederick I, Holy Roman Emperor, known to history as" Barbarossa".
Bertha, Duchess of Lorraine
Bertha of Lorraine( or Bertha of Swabia)( b.c. 1123/30 – d. 1194/ 5) was a member of the Hohenstaufen dynasty.
She was the daughter of Frederick II, Duke of Swabia and, through marriage to Matthias I duke of Lorraine, she was duchess of Lorraine( c.1138-1176).
Frederick II, Duke of Upper Lorraine
Frederick II( c. 995–1026), son of Thierry I of the House of Ardennes and Richilde von Blieskastel, daughter of Folmar III, Count in Bliesgau; was the count of Bar and duke of Lorraine, co-reigning with his father from 1019.
On the Emperor Henry II's death in 1024, he joined Ernest II, Duke of Swabia, in revolt against the new king, Conrad II.
Soon they made peace and recognised the new king.
Frederick died soon after.
He married Matilda of Swabia, daughter of Herman II, Duke of Swabia, and sister- in- law of Conrad.
They had three children:

Question: When did Herman Iv, Duke Of Swabia's wife die?
Answer: 19 December 1091