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.
Louis II, Elector of Brandenburg
Louis the Roman( 7 May 1328 – 17 May 1365) was the eldest son of Emperor Louis IV the Bavarian by his second wife, Margaret II, Countess of Hainault, and a member of the House of Wittelsbach.
Louis was Duke of Bavaria as Louis VI( 1347 – 1365) and Margrave of Brandenburg( 1351 – 1365) as Louis II.
As of 1356, he also served as Prince- elector of Brandenburg.
Philippa of Luxembourg
Philippa of Luxembourg( 1252 – 6 April 1311) was the daughter of Count Henry V of Luxembourg and his wife, Marguerite of Bar.
She married John II, Count of Holland.
Two of her granddaughters were Philippa of Hainault, Queen consort of England, and Margaret II, Countess of Hainault in her own right and wife of Holy Roman Emperor Louis IV.
The children of John II of Holland and Philippa of Luxembourg included:
Joan II, Countess of Burgundy
Joan II, Countess of Burgundy( 15 January 1292 – 21 January 1330), was Queen of France by marriage to Philip V of France, and ruling Countess of Burgundy and Countess of Artois.
She was the eldest daughter and heiress of Otto IV, Count of Burgundy, and Mahaut, Countess of Artois.
Alice of Hainault
Alice of Hainault, Countess Marshal( died 26 October 1317), was the daughter of John de Avenes, Count of Hainault, and Philippine, daughter of the Count of Luxembourg.
She was the second wife of Roger Bigod, 5th Earl of Norfolk, Earl Marshal of England.
Margaret III, Countess of Flanders
Margaret III( 13 April 1350 – 16/21 March 1405) was the last Countess of Flanders of the House of Dampierre, as well as Countess of Artois and Countess of Burgundy( as Margaret II).
She was the only surviving child and heir of Louis II, Count of Flanders( 1346 – 1384) and Margaret of Brabant.
Joan of Dampierre
Joan of Dampierre( c. 1225–1245/1246) was the only daughter of Margaret II, Countess of Flanders, and William II of Dampierre.
In 1239, her mother arranged her to be wed to count Hugh III of Rethel.
Margaret stipulated that her dowry should be returned in case the count died without giving Joan a child.
When this indeed happened, the money was refunded.
Joan was betrothed to Theobald II, Count of Bar, in 1243 and married him two years later.
She died childless not long afterwards.
Joanna of Hainaut
Joanna of Hainault( 1315–1374) was a Duchess of Jülich by marriage to William V, Duke of Jülich.
She was the third daughter of William I, Count of Hainaut, and Joanna of Valois.
She was a younger sister of Philippa of Hainault, Queen of England, and Margaret II of Hainault.
Margaret II, Countess of Hainaut
Margaret II of Avesnes (1311 – 23 June 1356) was Countess of Hainaut and Countess of Holland (as Margaret I) from 1345 to 1356.
She was Holy Roman Empress and Queen of Germany by marriage to Emperor Louis IV the Bavarian.
Louis IV, Holy Roman Emperor
Louis IV (1 April 1282 – 11 October 1347), called the Bavarian, of the house of Wittelsbach, was King of the Romans from 1314, King of Italy from 1327, and Holy Roman Emperor from 1328.
Louis IV was Duke of Upper Bavaria from 1294/1301 together with his elder brother Rudolf I, served as Margrave of Brandenburg until 1323, as Count Palatine of the Rhine until 1329, and he became Duke of Lower Bavaria in 1340.
He obtained the titles Count of Hainaut, Holland, Zeeland, and Friesland in 1345 when his wife Margaret inherited them.

Question: When did Margaret Ii, Countess Of Hainaut's husband die?
Answer: 11 October 1347