In 988 [his father] Robert "Pious" II King France (age 15) and Rozala of Italy (age 38) were married. They separated around the time of coronation. The difference in their ages was 22 years; she, unusually, being older than him. He the son of Hugh I King France (age 47) and Adelaide Poitiers Queen Consort France (age 43).

In 999 [his father] Robert "Pious" II King France (age 26) and Bertha Welf Queen Consort France (age 35) were married. She by marriage Queen Consort of France. They separated sometime before 1003 as a consequence of their consanguinity. She the daughter of Conrad I King Burgundy and Mathilde Carolingian Queen Consort Burgundy. He the son of Hugh I King France and Adelaide Poitiers Queen Consort France (age 54). They were second cousins.

In 1003 [his father] Robert "Pious" II King France (age 30) and [his mother] Constance Arles Queen Consort France (age 17) were married. She by marriage Queen Consort of France. She the daughter of William "Liberator" Arles 1st Count Provence 1st Count Arles and Adelaide Blanche Ingelger Queen Consort West Francia (age 63). He the son of Hugh I King France and Adelaide Poitiers Queen Consort France (age 58).

Around 1033 Robert I Duke Burgundy (age 22) and Helie Samur Duchess Burgundy were married. She by marriage Duchess Burgundy. He the son of Robert "Pious" II King France and Constance Arles Queen Consort France (age 47).

Around 1035 Geoffrey "Ferréol" Anjou 2nd Count Gâtinais and [his future wife] Ermengarde Blanche Ingelger Duchess Burgundy (age 17) were married. She by marriage Countess Gâtinais. She the daughter of Fulk "Black" Ingelger III Count Anjou (age 65) and Hildegarde Sundgau Countess Anjou. He the son of Hugh de Perche Count Gâtinais (age 46) and Béatrice de Mâcon Countess Gâtinais.

In 1046 Robert I Duke Burgundy (age 35) and Ermengarde Blanche Ingelger Duchess Burgundy (age 28) were married. She by marriage Duchess Burgundy. She the daughter of Fulk "Black" Ingelger III Count Anjou and Hildegarde Sundgau Countess Anjou. He the son of Robert "Pious" II King France and Constance Arles Queen Consort France. They were second cousins.

Around 1068 [his step-son] Fulk "Réchin" Anjou 4th Count Anjou (age 25) and Hildegarde Beaugency Countess Anjou (age 24) were married. She by marriage Countess Anjou. He the son of Geoffrey "Ferréol" Anjou 2nd Count Gâtinais and Ermengarde Blanche Ingelger Duchess Burgundy (age 50).

Before 1072 [his step-son] Fulk "Réchin" Anjou 4th Count Anjou (age 29) and Ermengarde Bourbon Countess Anjou (age 21) were married. She by marriage Countess Anjou. He the son of Geoffrey "Ferréol" Anjou 2nd Count Gâtinais and Ermengarde Blanche Ingelger Duchess Burgundy (age 53).

Around 1076 [his step-son] Fulk "Réchin" Anjou 4th Count Anjou (age 33) and Orengarde Chatellailon Countess Anjou were married. She by marriage Countess Anjou. He the son of Geoffrey "Ferréol" Anjou 2nd Count Gâtinais and Ermengarde Blanche Ingelger Duchess Burgundy (age 58).