He extended his authority over the churches of Sant Joan de les Abadesses and Lagrasse and usurped the de facto supremacy in Catalonia from Borrell II of Barcelona. In 988, Oliba Cabreta retired to the monastery of Montecassino and divided his lands between his three sons, the second-born, Wilfred, receiving Cerdanya and Conflent. In 1002, Berga was annexed to Cerdanya.
He gained control over churches in Sant Joan de les Abadesses and Lagrasse, and asserted dominance over Catalonia from Borrell II of Barcelona.  In 988, Oliba Cabreta retired to Montecassino and divided his lands among his sons, with Wilfred receiving Cerdanya and Conflent. In 1002, Berga was incorporated into Cerdanya.