Gertrude of Flanders, Duchess of Lorraine

Gertrude of Flanders
Landgravine of Brabant
Countess of Louvain
Countess of Brussels
Reign 1090–1095
Duchess of Lorraine
Reign 1096–1115
Spouse Henry III, Count of Leuven
Theodoric II, Duke of Lorraine
Issue Theodoric of Alsace and more
House House of Flanders
House of Reginar (by marriage)
House of Metz (by marriage)
Father Robert I, Count of Flanders
Mother Gertrude of Saxony
Born c. 1070
Died 1117

Gertrude of Flanders, Duchess of Lorraine (c. 1070–1117), also Countess of Louvain, Landgravine of Brabant until 1095, as the consort of her husbands. At the time the duchy was the upper Lorraine, since 959 separated from the duchy of Lower Lorraine.

Family background

Gertrude was daughter of Robert I, Count of Flanders (c. 1035–1093) and Gertrude of Saxony (c. 1030 – 1113). Robert was son of Baldwin V of Flanders and Adèle, a daughter of King Robert II of France, and Gertrude daughter of the Duke of Saxony. She was sister of Robert II, Count of Flanders (c. 1065 – 1111), "Robert the Crusader".

Marriage and children

Gertrude married firstly Henry III, Count of Leuven (died wounded in a tournament in Tournai in 1095), of the House of Reginar. He was count of Louvain from 1078 to 1095 and landgrave of Brabant from 1085. At Henry's death, his brother Godfrey I succeeded as count and landgrave. From 1106 he also became duke of Lower Lorraine.

They had four children, probably all daughters (born about 1092-1096), assumingly including:

Secondly in 1096 she married Theodoric II, Duke of Lorraine "Thierry" (d. 1115), son of Gérard of Alsace, Count of Metz, Duke of Lorraine (-1070), of the House of Lorraine-Alsace. Thierry was a widower with a son Simon, and a daughter Gertrude. They had the following issue:

Ancestry