Diederik van Aalst, Dirk van Aalst, Thierry of Alost or also known as ''het kind van Aalst'' (English: The child of Aalst), was the last lord/count of the Land of
Aalst.
Diederik was a son of
Iwein van Aalst and
Laureta van de Elzas. He married
Lauretta van Hainaut, daughter of Count
Boudewijn IV and
Alice of Namur
Alice of Namur (died July 1169 at Valenciennes) was the daughter of Count Godfrey I of Namur and Countess Ermesinde of Luxembourg.
Her father married her off to Count Baldwin IV of Hainaut around 1130. Gislebert of Mons described her as having "a ...
. He died childless in the year 1166. Because Diederik had no heir, his belongings and the land of Aalst went to
Philip of Alsace
Philip I (1143 – 1 August 1191), commonly known as Philip of Alsace, was count of Flanders from 1168 to 1191. During his rule Flanders prospered economically. He took part in two crusades and died of disease in the Holy Land.
Count of Flanders
...
.
References
{{DEFAULTSORT:Diederik van Aalst
People from Aalst, Belgium
1166 deaths
12th-century European people
Year of birth unknown