Guisla married Ramón I "El Curvo" Bérengar, conde de Barcelona, son of Ramón Borrell I, conde de Barcelona and Ermesinde de Carcassonne, in 1027. (Ramón I "El Curvo" Bérengar, conde de Barcelona was born in 1005 in Barcelona, Spain, died on 26 May 1035 and was buried in Santa Maria, Ripoll, Gerona, Spain.)