Riddle me this Bat-Tsar...

There's a Russian family that bore a male This male child grew and became VERY HIGH UP in the KGB as an adult, circa 1956. That male "successor" fell in love and impregnated an Israeli woman. If anyone EVER found out that he was not only involved with her, but also that she was pregnant, both the woman and the child would be killed.

Does this ring any bells as far as whom the family may be, the name?