11819400. Count John of Avesnes &
11819401. Regent Adelaide of Holland
5/1/1218,
John d’Avesnes born in Houffalize [Luxembourg], illegitimate s/o 23638800.
Bouchard IV of Avesnes & 23638801. Margaret II of Flanders. [John
illegitimate because his parents marriage was dissolved by the Pope.]
~1230,
Adelaide born in Holland, d/o 23638802. Count Floris IV of Holland &
23638803. Matilde of Brabant.
7/19/1234,
Adelaide’s father murdered.
3/1243, John
and his brother Baldwin declared legitimate by Emperor Frederick II.
1244, John’s
father executed on the orders of his maternal aunt Joanna.
12/5/1244,
John’s mother Magraret inherited Flanders and Hainaut, designating William III
of Dampierre, her son by her 2nd husband, as heir – starting the War
of Succession of Flanders and Hainaut.
1246, King
Louis IX of France intervened in the war, giving Hainaut to John d’Avesnes and
Flanders to William de Dampierre. [Neither side accepted the decision.]
[––John
& Adelaide––]
10/9/1246,
John married Adelaide; becoming Count of Hainaut.
5/19/1250, A
peace agreement was made between Flanders and Hainaut.
1251, John’s
half-brothers were legitimized by the Pope on the request of their mother.
6/6/1251,
William III assassinated by arrangement of John.
7/4/1253,
John’s forces, with support of his brother-in-law William II, King of Germany,
defeated the forces of his mother and her 2nd son Guy de Dampierre
at the battle of West-Capelle [Walcheren]. Guy was taken prisoner. [Guy, John’s
half-brother was married to Isabelle de Luxembourg, his son’s wife’s sister.]
1254,
Charles, Count of Anjou, was offered the county of Hainaut by John’s mother for
his invasion. Charles laid siege to Valenciennes.
7/26/1254,
Charles ended the siege with a negotiatied agreement that the dispute would be
settled by King Louis IX.
1256, King
Louis required his brother Charles to renounce any claim on Hainaut.
1256, John
was a supporter of Richard of Cornwall being elected King of the Romans. (S)
John of Avesnes and Richard of Cornwall, Lucas, 1948.
11/22/1257,
Due to support of Adelaide’s brother William, elected King of the Romans
[Germany], and of King Louis IX of France, Guy relinquished Hainaut to John.
12/24/1257,
John died in Valenciennes, France.
[––Adelaide––]
1258-63,
Adelaide, Regent of Holland.
~1260,
Adelaide commissioned the epic poem “Alexander Geestern” by Jacob van Maerlant.
4/7/1284,
Adelaide’s mother died.
4/9/1284,
Adelaide died, buried in Valenciennes.
Child
of John and Aleide:
i. John II d’Avesnes (5909700), born 1247 in
Holland.
