Isabella, Countess of Gloucester
Isabella, Countess of Gloucester( c. 1173 – 14 October 1217), was an English noblewoman who was married to King John prior to his accession.
William Comyn of Kirkintilloch
William Comyn of Kirkintilloch( died 1291) was a 13th- century Scottish nobleman.
He was a son of John Comyn, Lord of Badenoch( died c. 1275) and Alicia de Ros. William was married to Isabella Russell, daughter of Isabella, Countess of Menteith and John Russell.
Petitions were placed to King Edward I of England and King Alexander III of Scotland claiming the Earldom of Mentieth, in the right of Isabella, his wife and in 1285 half the lands of the Earldom of Mentieth were granted to William and Isabella.
The title of the Earl of Mentieth was kept by Walter Bailloch, jure uxoris by his wife Mary, sister of Isabella, Countess of Menteith.
William died in 1291, without issue by his own wife.
Emperor Daigo
Daigo's reign spanned the years from 897 through 930.
He is named after his place of burial.
Molly Costain Haycraft
Molly Costain Haycraft (6 December 1911 – 5 June 2005) was a Canadian author.
She was born in Toronto, Ontario, Canada, and spent her childhood in Philadelphia, where her father, the well-known novelist Thomas B. Costain, was an editor for "The Saturday Evening Post".
She was the author of several novels about women in English royal history.
These include "The Lady Royal,The Reluctant Queen," and "Too Near the Throne.
The Lady Royal" centres on the life of Isabella, Countess of Bedford, during the Hundred Years War.
She died in Hightstown, NJ, in 2005
Valentina Visconti, Duchess of Orléans
Valentina Visconti (1371 – 4 December 1408) was a Sovereign Countess of Vertus, and Duchess consort of Orléans as the wife of Louis de Valois, Duke of Orléans, the younger brother of King Charles VI of France.
Gian Galeazzo Visconti
Gian Galeazzo Visconti (16 October 1351 – 3 September 1402), son of Galeazzo II Visconti and Bianca of Savoy, was the first Duke of Milan (1395) and ruled the late-medieval city just before the dawn of the Renaissance.
He was the founding patron of the Certosa di Pavia, completing the Visconti Castle at Pavia begun by his father and furthering work on the Duomo of Milan.
Isabella, Countess of Vertus
Isabella of France (1 October 1348 – 11 September 1373) was a French princess and member of the House of Valois, as well as the wife of Gian Galeazzo Visconti, who after her death became Duke of Milan.
Born in Bois de Vincennes, Isabella was the youngest daughter of King John II of France by his first wife, Bonne of Bohemia.
Her maternal uncle Count Amadeus VI of Savoy arranged her marriage with Gian Galeazzo Visconti.
As her dowry, Isabella received the county of Sommières, exchanged later for the county of Vertus.
On 8 October 1360, Isabella and Gian Galeazzo were married in Milan, and six months later, in April 1361, she was declared sovereign Countess of Vertus.
The couple had four children:
Isabella died in childbirth in Pavia in 1373.
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.
Margaret, Countess of Vertus
Margaret, Countess of Vertus( French:" Marguerite d' Orléans"; 4 December 1406 – 1466), was a French vassal, Countess of Vertus and Etampes 1420 – 1466.
She was the daughter of Louis I, Duke of Orléans, and Valentina Visconti.
Anne Yelverton
Anne Yelverton( 1628–1698) was Countess of Manchester and Countess of Halifax.

Question: Where was the place of burial of Isabella, Countess Of Vertus's husband?
Answer: Certosa di Pavia