Biography of William Blois I Count Boulogne 1137-1159

1153 Eustace of Blois Dies

1154 Death of King Stephen

In 1125 [his father] King Stephen I England (age 31) and [his mother] Matilda Flanders (age 20) were married. She the daughter of Eustace Flanders III Count Boulogne and Mary Dunkeld Countess Boulogne 1082-1116. He the son of Stephen Blois II Count Blois and Chartres 1045-1102 and Adela Normandy Countess Blois 1067-1137 (age 58). He a grandson of King William "Conqueror" I of England.

Around 1137 William Blois I Count Boulogne was born to King Stephen I England (age 43) and Matilda Flanders (age 32). He a great grandson of King William "Conqueror" I of England.

Around 1148 William Blois I Count Boulogne (age 11) and Isabella Warenne Countess Boulogne 4th Countess of Surrey (age 11) were married. She by marriage Countess Boulogne. She the daughter of William Warenne 3rd Earl Surrey 1119-1148 (age 29) and Adela Montgomery Countess of Salisbury and Surrey -1174. They were fourth cousins. He a great grandson of King William "Conqueror" I of England.

On 06 Jan 1148 [his father-in-law] William Warenne 3rd Earl Surrey 1119-1148 (age 29) died. His daughter [his wife] Isabella Warenne Countess Boulogne 4th Countess of Surrey (age 11) succeeded 4th Countess Surrey and inherited his estates including Conisbrough Castle [Map].

On 03 May 1152 [his mother] Matilda Flanders (age 47) died. Her son [his brother] Eustace Blois IV Count Boulogne 1130-1153 (age 22) succeeded IV Count Boulogne.

Eustace of Blois Dies

On 17 Aug 1153 King Stephen's eldest son [his brother] Eustace Blois IV Count Boulogne 1130-1153 (age 23) died at Bury St Edmunds [Map]. Probably from food poisoning, possibly murdered for having sacked the Abbey. His brother William Blois I Count Boulogne (age 16) succeeded I Count Boulogne.

Death of King Stephen

In 1159 William Blois I Count Boulogne (age 22) died. His sister [his sister] Marie Blois I Countess Boulogne (age 23) succeeded I Countess Boulogne.

In Apr 1164 Hamelin Warenne 4th Earl Surrey (age 35) and [his former wife] Isabella Warenne Countess Boulogne 4th Countess of Surrey (age 27) were married by which Conisbrough Castle [Map] came into his posession. He rebuilt the castle in stone. He by marriage Earl Surrey. She the daughter of William Warenne 3rd Earl Surrey 1119-1148 and Adela Montgomery Countess of Salisbury and Surrey -1174. He the son of Geoffrey Plantagenet Duke Normandy and Mistress Unknown.

Around 1203 [his former wife] Isabella Warenne Countess Boulogne 4th Countess of Surrey (age 66) died.

Family Trees of William Blois I Count Boulogne 1137-1159

Paternal Family Tree: Blois

Maternal Family Tree: Agatha

Descendants Family Trees:

Royal Ancestors of William Blois I Count Boulogne 1137-1159

Kings Wessex: Great x 3 Grand Son of King Edmund "Ironside" I of England

Kings England: Great Grand Son of King William "Conqueror" I of England

Kings Scotland: Great Grand Son of Malcolm III King Scotland

Kings Franks: Great x 8 Grand Son of Louis "Pious" King Aquitaine I King Franks

Kings France: Great x 3 Grand Son of Robert "Pious" II King France

Ancestors of William Blois I Count Boulogne 1137-1159

GrandFather: Stephen Blois II Count Blois and Chartres 1045-1102

Great x 4 Grandfather:

Great x 3 Grandfather:

Great x 2 Grandfather:

Great x 1 Grandmother:

Father: King Stephen I England Grand Son of King William "Conqueror" I of England

Great x 1 Grandfather: King William "Conqueror" I of England -2 x Great Grand Son of King William "Conqueror" I of England

Great x 3 Grandfather: Father of Beatrix and Herleva

Great x 2 Grandmother: Herleva Falaise

GrandMother: Adela Normandy Countess Blois 1067-1137 Daughter of King William "Conqueror" I of England

Great x 4 Grandfather: Arnulf II Count Flanders 960-987

Great x 3 Grandfather: Baldwin "Bearded" IV Count Flanders 980-1035

Great x 4 Grandmother: Rozala of Italy 950-1003

Great x 2 Grandfather: Baldwin "The Good" V Count Flanders

Great x 4 Grandfather: Frederick Luxemburg Ardennes

Great x 3 Grandmother: Ogive Luxemburg Countess Flanders -1036

Great x 4 Grandmother: Ermentrude Gleiburg

Great x 1 Grandmother: Matilda Flanders Queen Consort England

William Blois I Count Boulogne 1137-1159 Great Grand Son of King William "Conqueror" I of England

Mother: Matilda Flanders

Great x 1 Grandfather: Malcolm III King Scotland

Great x 2 Grandmother:

GrandMother: Mary Dunkeld Countess Boulogne 1082-1116

Great x 3 Grandfather: King Edmund "Ironside" I of England

Great x 4 Grandmother:

Great x 2 Grandfather: Edward "The Exile" Wessex

Great x 3 Grandmother: Ealdgyth Unknown

Great x 1 Grandmother: Margaret Wessex Queen Consort Scotland

Great x 2 Grandmother: Agatha