who married to Alan IV, Duke of Brittany. After her death, before or by 1070, he married Ermengarde de Bourbon. Together they had a son before Fulk repudiated her in 1075, possibly on grounds of consanguinity: Geoffrey IV Martel, ruled jointly with him for some time, but died in 1106. Around 1076 he married Orengarde de Châtaillon. He repudiated her in 1080, possibly on grounds of consanguinity. He then married an unnamed daughter of Walter I of Brienne by 1080. This marriage also ended in divorce, in 1087. Lastly, in 1089, he married Bertrade de Montfort, who was apparently "abducted" by King Philip I of France in or around 1092. They had: Fulk V "the Young", Count of Anjou and King of Jerusalem. Notes References Sources Counts of Anjou 1043 births 1109 deaths