Generate a more complex version of this sentence Ko Kjell Stefan Löfvén (; i whānau i te 21 o Hōngongoi 1957 ) he kaitōrangapū o Huitene nō te rōpū Social Democrats.
O te akoranga, ko te putanga matatini ake o te kupu ko "Kjell Stefan Löfvén (; whanau 21 Hōngongoi 1957 ) Ko te kaitōrangapū Swedish nei kua Pirimia o Sweden mai i 3 Oketopa 2014. "