Sources

1) Source: The Ecclesiastical History of England and Normandy: Volume III " In short, he divorced his noble and excellent wife Bertha, daughter of Florence, duke of Frisia, who had borne him two children, Lewis and Constance, and married Bertrade, who had lived nearly four years with Fulk of Anjou". Reference: AD 1093 (Data from secondary evidence)
2) Source: The Ecclesiastical History of England and Normandy: Volume III "King Philip, having finished this sensible dis- course, and added more to the same purpose, died on the fourth of the calends of August [July 29th], in the forty- seventh year of his reign" (Data from secondary evidence)
3) Source: The Ecclesiastical History of England and Normandy: Volume III "The following Sunday Lewis Theobald, his son, was crowned at Orleans, and swayed the sceptre of France in prosperity and adversity twenty-eight years. He married Adelaide, daughter of Humbert, prince of Dauphiny, who bore him four sons, Philip, Lewis Florus, Henry, and Hugh." (Data from secondary evidence)
4) Source: The Henry Project . External Link
https://fasg.org/projects/henryproject/data/bertr000.htm. Reference: Bertrade de Montfort l'Amaury (Questionable reliability of evidence)
5) Source: The Ecclesiastical History of England and Normandy: Volume III "For Richard, son of Gonnor, and duke of Normandy, was father of Robert I., whose son was William the Conqueror, the father of Duke Robert, who was father of William the Clito. On the other side, Robert the archbishop and count, who was brother of Duke Richard, had a son named Richard, count of Evreux, which Richard had a daughter called Agnes, wife of Simon, who bore Bertrade, Fulk's mother, and whose daughter Sibylla was." (Data from secondary evidence)
6) Source: The Henry Project . External Link
https://fasg.org/projects/henryproject/data/fulk0004.htm. Reference: Foulques (Fulk, Fulco) IV "le Rechin"