Hugh III, Viscount of Châteaudun
Hugues II de Perche (died 1044), Viscount of Châteaudun and Count of Perche (as Hugues I), son of Geoffrey II, Viscount of Châteaudun, and Helvise de Corbon, daughter of Rainard, Lord of Pithiviers.
Virtually nothing is known about his life other than some references of donations to the Abbey of Saint-Denis de Nogent.
Hugues married Adela, from an unknown family, and had no known children.
He was succeeded by his brother Rotrou.
Thomas, Count of Perche
Thomas (1195-20 May 1217), Count of Perche, son of Geoffrey III, Count of Perche, and Richenza-Matilda of Saxony, daughter of Henry the Lion, Duke of Saxony and Bavaria, and Matilda.
Only seven when his father died, Thomas became Count of Perche under the regency of his mother and her new husband Enguerrand III, Lord of Coucy.
In 1216, the English barons rebelled in the First Barons' War against John Lackland, and offered the English crown to Louis VIII the Lion, King of France.
The death of King John ended this arrangement and the crown went to Henry III, John's son.
In the end, Louis VIII renounced the English crown, but in the interim fought the forces of William Marshal, 1st Earl of Pembroke.
In the decisive Battle of Lincoln (1217), Thomas, the commander of the French forces, was killed.
Thomas married Hélisende Rethel, daughter of Hugh II, Count of Rethel, and Felicitas, daughter of Simon of Broyes.
This union produced no children.
His widow remarried Garnier de Traînel, Seigneur de Marigny.
Following Thomas' death in 1217, King Philip II of France would gain control of the castles of Moulins-la-Marche, Bonsmoulin, and Belleme, which had been contested since 1182.
Thomas’ uncle William, who was also Bishop of Chalons, succeeded him as the Count of Perche.
Renaud II, Count of Clermont-en-Beauvaisis
Renaud II of Clermont(" Renaud/ Rainald II de Clermont"; 1075 – 1152), son of Hugh I, Count of Clermont- en- Beauvaisis, and Marguerite de Roucy( daughter of Hilduin IV, Count of Montdidier).
Renaud became Count of Clermont- en- Beauvaisis upon his father ’s death in 1101.
Lambert I, Count of Louvain
Lambert I of Louvain nicknamed" The Bearded"( born in Louvain, Duchy of Lotharingia, East Francia c. 950, died in Florennes, County of Namur, Duchy of Lower Lorraine, Holy Roman Empire on 12 September 1015) was the first Count of Louvain in 1003.
He was killed by Godfrey II, Duke of Lower Lorraine in battle for Godfrey's claim of Count of Verdun.
He was the son of Reginar III, Count of Hainaut and Adela d' Eguisheim, daughter of Hugh V, Count of Eguisheim.
His brother was Reginar IV, Count of Mons.
He was the husband of Gerberga of Lower Lorraine, and father of:
Hugh II, Count of Maine
Hugh II( 920- before 992), Count of Maine, son of Hugh I, Count of Maine, and an unknown mother, probably a daughter of Gauzlin II, Count of Maine.
He was, like his father, a vassal of his uncle Hugh the Great.
After the death of Hugh the Great, Hugh II allied himself Fulk II the Good, Count of Anjou, and Theobald the Trickster, Count of Blois.
Hugh later joined Theobald ’s son Odo against Seinfroy, Bishop of Le Mans.
Hugh and Odo had to flee and seek refuge with Bouchard I, Count of Vendôme, in the areas that form the Bas- Vendômois.
In 939 he fought alongside Alan II, Duke of Brittany and Judicael Berengar against the Vikings at the Battle of Trans- la- Forêt.
Hugh had by his unknown wife: Hugh III, Count of Maine, Fulk of Maine,( d. after 992) and Herbert “ Baco ” of Maine( d. after 1046), regent of Hugh IV, Count of Maine.
Hugh was succeeded as Count of Maine by his son Hugh III.
Alberic I, Count of Dammartin
Alberic( Aubry) de Mello( d. after 1162), Count of Dammartin, based on his marriage to Adela, daughter of Hugh I, Count of Dammartin.
It is believed that Aubry was the son of Gilbert de Mello and Richilde de Clermont, daughter of Hugh, Count of Clermont- en- Beauvais,( d. 1101) and Margaret, daughter of Hilduin IV, Count of Roucy
Geoffrey II, Count of Perche
Geoffrey II( died October 1100), Count of Mortagne and Count of Perche, son of Rotrou I, Viscount of Châteaudun, and Adelise de Bellême, daughter of Guérin de Domfront.
Geoffrey was Count of Mortagne and Seigneur of Nogent from 1060 to 1090, and Count of Perche from 1090 until his death.
Godffrey succeeded his father in 1080, receiving the Percheron fields of his father( Mortagne- au- Perche and Nogent- le- Rotrou), while his younger brother Hugues received Châteaudun.
A third brother, Rotrou, acquired by marriage the lordship of Montfort- le- Rotrou.
He participated in the conquest of England and fought at the Battle of Hastings.
For his service, William the Conqueror gave him a reward of significant property in England.
Geoffrey and his two brothers attacked Robert of Bellême, involving a land dispute.
Later he tried to attack Belleme again, with the help of Elias I, Count of Maine, but failed.
He devoted the rest of his life to religious pursuits, and founded the first leper colony in Perche.
Geoffrey married Beatrix de Ramerupt, daughter of Hilduin IV, Count of Montdidier, and Alice de Roucy.
Geoffrey and Beatrix had: Geoffrey was succeeded by his son Rotrou as Count of Perche upon his death.
William II, Count of Perche
William II( died 1226), Count of Perche and Bishop of Châlons, son of Rotrou IV, Count of Perche, and Matilda of Blois- Champagne, daughter of Theobald II, Count of Champagne, and Matilda of Carinthia, daughter of Engelbert, Duke of Carinthia.
William began his career as treasurer and provost of the Church of St. Martin of Tours, and was elected Bishop of Chalons in 1215, consecrated in 1216.
The following year he succeeded his nephew Thomas, as Count of Perche, who was killed in the Battle of Lincoln.
As count- bishop, William was a valuable advisor to the Kings of France and was listed among those by Pope Honorious III to participate in the Albigensian Crusade.
His death in February 1226 would leave the question of the succession to the County of Perche unresolved for years.
Geoffrey II, Viscount of Châteaudun
Geoffrey II (died 1040), Viscount of Châteaudun and Count of Perche (as Geoffrey I), son of Fulcois, Count of Mortagne, and Melisende, Viscountess of Châteaudun.
Some sources say that he became Viscount of Châteaudun following his uncle Hugues’ appointment as Archbishop of Tours.
At that point, he was probably under the regency of his mother.
He broke with his relatives in the nobility of Blois and began hostilities against Fulbert, Bishop of Chartres.
An unsuccessfully attempt to enlist the aid of Theobald III, Count of Blois, and Robert the Pious in his quest resulted in his excommunication in 1029.
Only his building of the Church of the Holy Sepulchre in Châteaudun redeemed him in the eyes of the church.
In 1040, while he was at Chartres, a riot broke out against his presence, and he was murdered.
Geoffrey married Helvise (Elizabeth) de Corbon, daughter of Rainard, Lord of Pithiviers, and his wife Helvise.
Geoffrey and Helvise had three children:
Geoffrey was succeeded as Viscount of Châteaudun and Count of Perche by his son Hugues.
Hervé I, Count of Perche
Hervé I( died after 25 June 955), Count of Perche and Mortagne.
Hervé appears several times between 941 and 946 in the entourage of Hugh the Great and is likely" Hervei Comiti Mauritianae" cited in a transaction dated June 24, 955.
According to Hervé I of Mortagne, sourced by the work of Settipani, Hervé was either the son or son-in- law of Hugh I, Count of Maine.
Hervé married Melisende( possibly a daughter of Hugh I).
They had a number of children: Hervé I was succeeded either by his son Hervé II or Fulcois, the husband of his granddaughter Melissende.

Question: Where did Hugh Iii, Viscount Of Châteaudun's father die?