Complex sentence: Afterwards, he was sent into exile, first in Cuba, which offered to receive him, then (in 1984), in Portugal, where the government received him and gave him conditions to live with his family, until today.
Split into simpler sentences: Afterwards, he was sent to exile, in Cuba, which offered to receive him. Finally, in 1984, he moved to Portugal, where the Government received him and gave him conditions to live with his family, until today.