Boris III was Bulgaria’s monarch in 1943. Bulgaria was allied to Nazi Germany and enforced laws depriving Jews of rights. Appeals to the tsar against deportation are documented. Survival within the old borders must not conceal the surrender of Jews from occupied territories or continuing persecution. Was tsar during the Second World War. Received church appeals against deportation. His reign coincided with antisemitic measures. The history requires distinctions between intervention, responsibility, survival and deportation.