Biography of William Wittelsbach I Duke Lower Bavaria 1330-1389

Paternal Family Tree: Wittelsbach

Maternal Family Tree: Elizabeth Cuman

In 1308 [his father] Louis Wittelsbach IV Holy Roman Emperor (age 25) and Beatrix Świdnica Holy Roman Empress were married. She by marriage Holy Roman Empress. He the son of [his grandfather] Louis "Strict" Wittelsbach II Duke Upper Bavaria and [his grandmother] Matilda Habsburg Duchess Bavaria. He a great x 3 grandson of King Henry "Curtmantle" II of England.

In 1324 [his father] Louis Wittelsbach IV Holy Roman Emperor (age 41) and [his mother] Margaret Hainault Holy Roman Empress (age 12) were married. She by marriage Holy Roman Empress. The difference in their ages was 29 years. She the daughter of [his grandfather] William Hainault I Count Hainault III Count Avesnes III Count Holland II Count Zeeland (age 38) and [his grandmother] Joan Valois Countess Zeeland Holland Avesnes and Hainault (age 30). He the son of [his grandfather] Louis "Strict" Wittelsbach II Duke Upper Bavaria and [his grandmother] Matilda Habsburg Duchess Bavaria. He a great x 3 grandson of King Henry "Curtmantle" II of England. She a great x 5 granddaughter of King Stephen I England.

On 12 May 1330 William Wittelsbach I Duke Lower Bavaria was born to Louis Wittelsbach IV Holy Roman Emperor (age 48) and Margaret Hainault Holy Roman Empress (age 18).

In 1344 Ralph Stafford and [his future wife] Maud Plantagenet Duchess Lower Bavaria (age 3) were married. She the daughter of [his future father-in-law] Henry of Grosmont 1st Duke Lancaster (age 34) and [his future mother-in-law] Isabel Beaumont Duchess Lancaster (age 24). He the son of Ralph Stafford 1st Earl Stafford (age 42) and Margaret Audley Countess Stafford (age 26). They were third cousin once removed. He a great x 2 grandson of King Edward I of England. She a great x 2 granddaughter of King Henry III of England.

In 1345 William Wittelsbach I Duke Lower Bavaria (age 14) succeeded V Count Holland.

In 1347 William Wittelsbach I Duke Lower Bavaria (age 16) succeeded I Duke Lower Bavaria.

On 11 Oct 1347 [his father] Louis Wittelsbach IV Holy Roman Emperor (age 65) died. His son [his half-brother] Stephen Wittelsbach II Duke Bavaria (age 28) succeeded II Duke Bavaria. Elisabeth Barcelona Duchess Bavaria (age 37) by marriage Duchess Bavaria.

In 1352 William Wittelsbach I Duke Lower Bavaria (age 21) and Maud Plantagenet Duchess Lower Bavaria (age 11) were married in London. She by marriage Duchess Lower Bavaria. He by marriage Earl of Leicester. She the daughter of Henry of Grosmont 1st Duke Lancaster (age 42) and Isabel Beaumont Duchess Lancaster (age 32). He the son of Louis Wittelsbach IV Holy Roman Emperor and Margaret Hainault Holy Roman Empress (age 40). He a great x 4 grandson of King Henry "Curtmantle" II of England. She a great x 2 granddaughter of King Henry III of England.

In 1354 William Wittelsbach I Duke Lower Bavaria (age 23) succeeded V Count Hainault, V Count Zeeland.

In 1356 [his daughter] Unamed Wittelsbach was born to William Wittelsbach I Duke Lower Bavaria (age 25) and [his wife] Maud Plantagenet Duchess Lower Bavaria (age 15). She a great x 3 granddaughter of King Henry III of England.

On 10 Apr 1362 [his wife] Maud Plantagenet Duchess Lower Bavaria (age 22) died. Her sister [his sister-in-law] Blanche Duchess of Lancaster (age 20) succeeded 6th Countess of Leicester. John of Gaunt 1st Duke Lancaster (age 22) by marriage Earl of Leicester adding a fourth Earldom to the ones he already held: Earl Richmond, Earl Lancaster and Earl Derby.

In 1369 [his mother] Margaret Hainault Holy Roman Empress (age 57) died.

On 15 Apr 1389 William Wittelsbach I Duke Lower Bavaria (age 58) died.

Ancestors of William Wittelsbach I Duke Lower Bavaria 1330-1389

Great x 3 Grandfather: Otto Wittelsbach I Duke Bavaria

Great x 2 Grandfather: Louis Wittelsbach I Duke Bavaria

Great x 4 Grandfather: Louis Loon I Count Loon

Great x 3 Grandmother: Agnes Loon Duchess Bavaria

Great x 4 Grandmother: Agnes Metz Countess Loon

Great x 1 Grandfather: Otto "Illustrious" Wittelsbach II Duke Bavaria

Great x 3 Grandfather: Frederick Bohemia Duke Bohemia

Great x 2 Grandmother: Ludmilla Bohemia Duchess Bavaria

GrandFather: Louis "Strict" Wittelsbach II Duke Upper Bavaria 2 x Great Grand Son of King Henry "Curtmantle" II of England

Great x 4 Grandfather: Henry "Proud" Welf X Duke Bavaria

Great x 3 Grandfather: Henry "Lion" Welf XII Duke Saxony III Duke Bavaria

Great x 4 Grandmother: Gertrude Süpplingenburg Duchess Bavaria

Great x 2 Grandfather: Henry Welf V Count Palatine of the Rhine Grand Son of King Henry "Curtmantle" II of England

Great x 4 Grandfather: King Henry "Curtmantle" II of England Grand Son of King Henry I "Beauclerc" England

Great x 3 Grandmother: Matilda Plantagenet Duchess Saxony Daughter of King Henry "Curtmantle" II of England

Great x 4 Grandmother: Eleanor of Aquitaine Queen Consort Franks and England

Great x 1 Grandmother: Agnes Welf Duchess Bavaria Great Grand Daughter of King Henry "Curtmantle" II of England

Great x 3 Grandfather: Conrad Palatine Count Palatine

Great x 2 Grandmother: Agnes Palatine of the Rhine

Father: Louis Wittelsbach IV Holy Roman Emperor 3 x Great Grand Son of King Henry "Curtmantle" II of England

Great x 1 Grandfather: Rudolph I King Romans

GrandMother: Matilda Habsburg Duchess Bavaria

Great x 2 Grandfather: Burkhard V Count Hohenberg

Great x 1 Grandmother: Gertrude Hohenburg

Great x 3 Grandfather: Rudolph II Count Palatine of Tubingen

Great x 2 Grandmother: Mathilda of Tubingen

William Wittelsbach I Duke Lower Bavaria 4 x Great Grand Son of King Henry "Curtmantle" II of England

Great x 4 Grandfather: James Avesnes

Great x 3 Grandfather: Bouchard Avesnes

Great x 4 Grandmother: Adela Guise

Great x 2 Grandfather: John Hainault I Count Hainault 4 x Great Grand Son of King William "Conqueror" I of England

Great x 4 Grandfather: Baldwin IX Count Flanders VI Count Hainault

Great x 3 Grandmother: Margaret II Countess Flanders 3 x Great Grand Daughter of King William "Conqueror" I of England

Great x 4 Grandmother: Marie Blois Countess Flanders 2 x Great Grand Daughter of King William "Conqueror" I of England

Great x 1 Grandfather: John Hainault II Count Hainault II Count Holland 3 x Great Grand Son of King Stephen I England

Great x 4 Grandfather: William Gerulfing I Count Holland

Great x 3 Grandfather: Floris Gerulfing IV Count Holland

Great x 4 Grandmother: Adelaide Guelders Countess Holland

Great x 2 Grandmother: Adelaide Gerulfing Countess Hainault 2 x Great Grand Daughter of King Stephen I England

Great x 4 Grandfather: Henry Reginar VIII Duke Lower Lorraine I Duke Brabant

Great x 3 Grandmother: Mathilde Reginar Countess Holland and Palatine Great Grand Daughter of King Stephen I England

Great x 4 Grandmother: Maud Metz Grand Daughter of King Stephen I England

GrandFather: William Hainault I Count Hainault III Count Avesnes III Count Holland II Count Zeeland 4 x Great Grand Son of King Stephen I England

Great x 4 Grandfather: Henry Luxemburg III Duke Limburg

Great x 3 Grandfather: Waleran Luxemburg III Duke Limburg

Great x 4 Grandmother: Sophia Saarbrücken Duchess Limburg

Great x 2 Grandfather: Henry "Great" Luxemburg V Count Luxemburg III Count Namur

Great x 4 Grandfather: Henry "Blind" Namur IV Count Luxemburg I Count Namur

Great x 3 Grandmother: Erminsende Namur Countess of Bar

Great x 4 Grandmother: Agnes Guelders Countess Namur and Luxemburg

Great x 1 Grandmother: Philippa Luxemburg Countess Hainault and Holland 5 x Great Grand Daughter of King William "Conqueror" I of England

Great x 4 Grandfather: Theobald of Bar I Count of Bar 2 x Great Grand Son of King William "Conqueror" I of England

Great x 3 Grandfather: Henry of Bar II Count of Bar 3 x Great Grand Son of King William "Conqueror" I of England

Great x 4 Grandmother: Erminsende of Bar Sur Seine Countess Bar

Great x 2 Grandmother: Margaret of Bar Countess Luxemburg and Namur 4 x Great Grand Daughter of King William "Conqueror" I of England

Great x 4 Grandfather: Robert Capet II Count Dreux

Great x 3 Grandmother: Philippa Capet Countess of Bar

Great x 4 Grandmother: Yolande Coucy Countess Dreux

Mother: Margaret Hainault Holy Roman Empress 5 x Great Grand Daughter of King Stephen I England

Great x 4 Grandfather: King Louis VIII of France 3 x Great Grand Son of King William "Conqueror" I of England

Great x 3 Grandfather: King Louis IX of France Great Grand Son of King Henry "Curtmantle" II of England

Great x 4 Grandmother: Blanche Ivrea Queen Consort France Grand Daughter of King Henry "Curtmantle" II of England

Great x 2 Grandfather: King Philip III of France 2 x Great Grand Son of King Henry "Curtmantle" II of England

Great x 4 Grandfather: Raymond Berenguer Provence IV Count Provence

Great x 3 Grandmother: Margaret Provence Queen Consort France

Great x 4 Grandmother: Beatrice Savoy Countess Provence

Great x 1 Grandfather: Charles Valois I Count Valois 3 x Great Grand Son of King Henry "Curtmantle" II of England

Great x 4 Grandfather: Peter II King Aragon

Great x 3 Grandfather: James I King Aragon

Great x 4 Grandmother: Marie Montpellier Queen Consort Aragon

Great x 2 Grandmother: Isabella Barcelona Queen Consort France

Great x 4 Grandfather: King Andrew II of Hungary

Great x 3 Grandmother: Violant Árpád Queen Consort Aragon

GrandMother: Joan Valois Countess Zeeland Holland Avesnes and Hainault 4 x Great Grand Daughter of King Henry "Curtmantle" II of England

Great x 4 Grandfather: King Louis VIII of France 3 x Great Grand Son of King William "Conqueror" I of England

Great x 3 Grandfather: King Charles Capet of Sicily Great Grand Son of King Henry "Curtmantle" II of England

Great x 4 Grandmother: Blanche Ivrea Queen Consort France Grand Daughter of King Henry "Curtmantle" II of England

Great x 2 Grandfather: Charles II King Naples 2 x Great Grand Son of King Henry "Curtmantle" II of England

Great x 4 Grandfather: Raymond Berenguer Provence IV Count Provence

Great x 3 Grandmother: Beatrice Provence Queen Consort Sicily

Great x 4 Grandmother: Beatrice Savoy Countess Provence

Great x 1 Grandmother: Margaret Capet Countess Valois 3 x Great Grand Daughter of King Henry "Curtmantle" II of England

Great x 4 Grandfather: Béla IV King of Hungary

Great x 3 Grandfather: Stephen V of Hungary

Great x 2 Grandmother: Mary of Hungary Queen Consort Naples

Great x 3 Grandmother: Elizabeth Cuman

Royal Ancestors of William Wittelsbach I Duke Lower Bavaria 1330-1389

Ancestors of William Wittelsbach I Duke Lower Bavaria 1330-1389