Biography of William Jülich 3rd Duke Guelders 3rd Duke Jülich 1364-1402

In December 1362 [his father] William Jülich I Duke Jülich (age 35) and [his mother] Marie Guelders Duchess Jülich were married. She by marriage Duchess Jülich. They had three children. She the daughter of [his grandfather] Reginald "Black" I Duke Guelders and [his grandmother] Sophia Berthout Berthout. He the son of William Jülich V Duke Jülich. They were third cousins. He a great x 5 grandson of King Stephen I England. She a great x 5 granddaughter of King Stephen I England.

On 5th March 1364 William Jülich 3rd Duke Guelders 3rd Duke Jülich was born to [his father] William Jülich I Duke Jülich (age 37) and [his mother] Marie Guelders Duchess Jülich.

On 4th December 1371 [his uncle] Reginald II Duke Guelders (age 38) died without issue. The Duke Guelders title passed to his sisters and their husband's resulting in a war of succession with William Jülich 3rd Duke Guelders 3rd Duke Jülich (age 7), son of his sister [his mother] Marie Guelders Duchess Jülich eventually succeeding.

In 1377 William Jülich 3rd Duke Guelders 3rd Duke Jülich (age 12) succeeded 3rd Duke Guelders.

In 1379 William Jülich 3rd Duke Guelders 3rd Duke Jülich (age 14) and Katherine Wittelsbach Duchess Guelders (age 17) were married. She by marriage Duchess Guelders, Duchess Guelders. She the daughter of Albert Wittelsbach I Duke Lower Bavaria (age 42) and Margaret of Silesia Duchesa Lowwer Bavaria (age 37). He the son of William Jülich I Duke Jülich (age 52) and Marie Guelders Duchess Jülich. They were fourth cousins. She a great x 5 granddaughter of King Henry "Curtmantle" II of England.

In 1389 [his brother-in-law] John "Pitiless" Wittelsbach II Duke Bavaria Straubing (age 14) was appointed Bishop of Liège.

On 24th April 1390 Albert Habsburg IV Duke Austria (age 12) and [his sister-in-law] Joanna Sophia Wittelsbach Duchess Austria (age 17) were married at Vienna [Map]. She by marriage Duchess Austria. She the daughter of [his father-in-law] Albert Wittelsbach I Duke Lower Bavaria (age 53) and [his mother-in-law] Margaret of Silesia Duchesa Lowwer Bavaria. He the son of Albert "With the Pigtail" Habsburg III Duke Austria (age 40) and Beatrix Hohenzollern Duchess Austria (age 28). They were third cousins. She a great x 5 granddaughter of King Henry "Curtmantle" II of England.

On 13th December 1393 [his father] William Jülich I Duke Jülich (age 66) died. His son William (age 29) succeeded 3rd Duke Jülich.

On 21st January 1397 [his brother-in-law] Albert Wittelsbach II Duke Bavaria Straubing (age 28) died.

Around 1399 [his brother-in-law] William Wittelsbach IV Count Holland VI Count Hainaut V Count Zeeland (age 33) was appointed 82nd Knight of the Garter by King Richard II of England (age 31).

Around 1399 William Jülich 3rd Duke Guelders 3rd Duke Jülich (age 34) was appointed 81st Knight of the Garter by King Richard II of England (age 31).

In 1400 [his wife] Katherine Wittelsbach Duchess Guelders (age 38) died.

On 16th February 1402 William Jülich 3rd Duke Guelders 3rd Duke Jülich (age 37) died at Arnhem [Map]. His brother Reinald (age 37) succeeded 4th Duke Guelders, 3rd Duke Jülich.

William Jülich II Count Jülich and [his mother] Marie Guelders Duchess Jülich were married. She by marriage Countess Jülich. She the daughter of [his grandfather] Reginald "Black" I Duke Guelders and [his grandmother] Sophia Berthout Berthout.