In 1065 Albert Namur III Count Namur (age 38) and Ida Billung Countess Namur were married. She the daughter of Bernard II Duke of Saxony and Eilika Schweinfurt Duchess Saxony. He the son of Albert Namur II Count Namur and Regilinda Ardennes Countess Namur. They were second cousin once removed.

In 1087 [her grandfather] Godfrey Namur I Count Namur (age 19) and Sibylle Chateau Porcéan Countess Namur were married. She by marriage Countess Namur. He the son of Albert Namur III Count Namur (age 60) and Ida Billung Countess Namur.

In 1109 [her grandfather] Godfrey Namur I Count Namur (age 41) and [her grandmother] Ermesinde Luxemburg Countess Namur (age 29) were married. She by marriage Countess Namur. She the daughter of Conrad Luxemburg Count Luxemburg and Clementia Aquitaine Countess Luxemburg (age 61). He the son of Albert Namur III Count Namur and Ida Billung Countess Namur.

In or before 1130 Guitier Count Rethel and [her aunt] Beatrix Namur were married. She the daughter of [her grandfather] Godfrey Namur I Count Namur (age 61) and [her grandmother] Ermesinde Luxemburg Countess Namur (age 49).

In 1152 [her father] Henry "Blind" Namur IV Count Luxemburg I Count Namur (age 40) and Lauretta Metz Countess Namur and Luxemburg were married. She by marriage Countess Namur, Countess Luxemburg. She the daughter of Thierry Count Flanders (age 53) and Swanhilde Countess Flanders. He the son of [her grandfather] Godfrey Namur I Count Namur and [her grandmother] Ermesinde Luxemburg Countess Namur (age 72). They were second cousin once removed.

Around 1155 Humbert Savoy III Count Savoy (age 21) and Gertrude Metz Countess Savoy were married. She by marriage Countess Savoy. She the daughter of Thierry Count Flanders (age 56) and Sibylla Anjou Countess Essex and Flanders (age 43). He the son of Amadeus Savoy III Count Savoy and Mahaut Albon Countess Savoy.

In 1160 Matthew Metz Count Boulogne and Marie Blois I Countess Boulogne (age 24) were married. He the son of Thierry Count Flanders (age 61) and Sibylla Anjou Countess Essex and Flanders (age 48). They were third cousins. She a great granddaughter of King William "Conqueror" I of England.

In 1170 Matthew Metz Count Boulogne and Marie Blois I Countess Boulogne (age 34) were divorced.

Before 1190 [her future husband] Waleran Luxemburg III Duke Limburg (age 25) and Cunigunda Metz Countess Luxemburg were married. She the daughter of Frederick Metz I Duke Lorraine (age 46) and Wierzchoslawa Ludmilla Greater Poland Duchess Lorraine. He the son of [her future father-in-law] Henry Luxemburg III Duke Limburg (age 49) and Sophia Saarbrücken Duchess Limburg.

Before 1215 Waleran Luxemburg III Duke Limburg (age 50) and Erminsende Namur Countess of Bar (age 28) were married. She by marriage Countess Luxemburg. The difference in their ages was 21 years. She the daughter of Henry "Blind" Namur IV Count Luxemburg I Count Namur and Agnes Guelders Countess Namur and Luxemburg. He the son of Henry Luxemburg III Duke Limburg (age 74) and Sophia Saarbrücken Duchess Limburg.

In 1225 [her son-in-law] Matthias Metz II Duke Lorraine (age 32) and [her daughter] Catherine Luxemburg Duchess Lorraine (age 10) were married. She by marriage Duchess Lorraine. The difference in their ages was 22 years. She the daughter of [her husband] Waleran Luxemburg III Duke Limburg (age 60) and Erminsende Namur Countess of Bar (age 38). He the son of Frederick Metz II Duke Lorraine and Agnes of Bar Duchess Lorraine. He a great x 4 grandson of King William "Conqueror" I of England.

In 1240 [her son] Henry "Great" Luxemburg V Count Luxemburg III Count Namur (age 24) and [her daughter-in-law] Margaret of Bar Countess Luxemburg and Namur (age 20) were married. She by marriage Countess Luxemburg, Countess Namur. She the daughter of Henry of Bar II Count of Bar and Philippa Capet Countess of Bar (age 48). He the son of [her former husband] Waleran Luxemburg III Duke Limburg and Erminsende Namur Countess of Bar (age 53). They were second cousin twice removed. She a great x 4 granddaughter of King William "Conqueror" I of England.

Theobald of Bar I Count of Bar and Erminsende Namur Countess of Bar were married. She by marriage Countess Bar. The difference in their ages was 26 years. She the daughter of Henry "Blind" Namur IV Count Luxemburg I Count Namur and Agnes Guelders Countess Namur and Luxemburg. He a great x 2 grandson of King William "Conqueror" I of England.