Complex sentence: Rescued with difficulty, he escaped with a false passport to Belgium, and then to London; in his absence he was condemned by a special tribunal at Bourges, "in contumaciam", to deportation.
Split into simpler sentences: Rescued with difficulty, he escaped with a false passport to Belgium, and then to London. In his absence he was condemned by a special tribunal at Bourges, "in contumaciam", to deportation.