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

In 1046 [his step-father] Robert I Duke Burgundy (age 35) and [his mother] Ermengarde Blanche Ingelger Duchess Burgundy (age 28) were married. She by marriage Duchess Burgundy. She the daughter of [his grandfather] Fulk "Black" Ingelger III Count Anjou and [his grandmother] 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 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 Fulk "Réchin" Anjou 4th Count Anjou (age 28) 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 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).

In 1088 [his son-in-law] William "Troubadour" Poitiers IX Duke Aquitaine (age 16) and [his daughter] Ermengarde Anjou Duchess Brittany and Aquitaine (age 20) were married. She by marriage Duchess Aquitaine. She the daughter of Fulk "Réchin" Anjou 4th Count Anjou (age 45) and [his wife] Hildegarde Beaugency Countess Anjou (age 44). He the son of Guy William Poitiers VIII Duke Aquitaine and [his half-sister] Hildegarde Burgundy Duchess Aquitaine (age 32). They were half first cousins.

In 1089 Fulk "Réchin" Anjou 4th Count Anjou (age 46) and Bertrade Montfort Queen Consort France (age 19) were married. She by marriage Countess Anjou. The difference in their ages was 27 years. He the son of Geoffrey "Ferréol" Anjou 2nd Count Gâtinais and Ermengarde Blanche Ingelger Duchess Burgundy.

On 15 May 1092 King Philip I of France (age 39) and [his wife] Bertrade Montfort Queen Consort France (age 22) were married. She by marriage Queen Consort of France. They were married despite their both having living spouses: Bertha Gerulfing Queen Consort France (age 37) and Fulk "Réchin" Anjou 4th Count Anjou (age 49) respectively. He the son of King Henry I of France and Anne Rurik Queen Consort France.

In 1093 [his son-in-law] Alan Canhiart IV Duke Brittany (age 30) and [his daughter] Ermengarde Anjou Duchess Brittany and Aquitaine (age 25) were married. She by marriage Duchess Brittany. She the daughter of Fulk "Réchin" Anjou 4th Count Anjou (age 50) and [his wife] Hildegarde Beaugency Countess Anjou (age 49). They were third cousin once removed.