In 1113, Douce ceded her rights in Provence, Gévaudan, and the viscounty of Millau to her husband.
According to a once prevailing opinion, "Provençal troubadours ... entered Catalonia at the time" and even the Catalan language was imported from Provence.
[1] According to nationalist historians it was the beginning of l'engrandiment occitànic (the Occitan aggrandisement): a great scheme to unite various lands on both sides of the Pyrenees.
[2] In reality the marriage gave the House of Barcelona extensive interests in Occitania and put it in conflict with the Counts of Toulouse, with whom a partition of Provence was signed in 1125, shortly before Douce's death.
A cadet branch of the House of Barcelona was set up to rule, but a disputed succession opened up the Baussenque Wars (1144–1162), which terminated in her heirs' victory.