Oleg Gordievsky was born into the KgbGB. Oleg Gordievsky was born into the KGB.

Oleg Gordievsky was born into the KgbGB. Oleg Gordievsky was born into the KGB.

His father was KgbGB. His father was KGB.

His father was Kgba KGB agent. His father was a KGB agent.

His friends were all sons and daughters of KgbGB officers. His friends were all sons and daughters of KGB officers.

His friends were all sons and daughters of KgbGB officers. His friends were all sons and daughters of KGB officers.

The food he ate was only for kgbKGB members. The food he ate was only for KGB members.

The food he ate was only for kgbKGB members. The food he ate was only for KGB members.

He grew up in an apartment block reserved for families of KgbGB officers*. He grew up in an apartment block reserved for families of KGB officers*.

He grew up in an apartment block reserved for families of KgbGB officers*. He grew up in an apartment block reserved for families of KGB officers*.

The KgbGB was the direct successor of Stalin’s spy network, the NKVD, and the most complex intelligence agency ever created. The KGB was the direct successor of Stalin’s spy network, the NKVD, and the most complex intelligence agency ever created.

The KgbGB was the direct successor of Stalin’s spy network, the NKVD, and the most complex intelligence agency ever created. The KGB was the direct successor of Stalin’s spy network, the NKVD, and the most complex intelligence agency ever created.

At its height, with over 1 million officers, the KgbGB controlled every aspect of Soviet life. At its height, with over 1 million officers, the KGB controlled every aspect of Soviet life.

At its height, with over 1 million officers, the KgbGB controlled every aspect of Soviet life. At its height, with over 1 million officers, the KGB controlled every aspect of Soviet life.

IfAlthough the KgbGB inspired deep fear toin the West, for Soviet citizens, instead, it was a protector of communism against western aggressions. Although the KGB inspired deep fear in the West, for Soviet citizens it was a protector of communism against western aggressions.

If the KgbGB inspired deep fear toin the West, for Soviet citizens, instead, it wast was instead a protector of communism against wWestern aggressions. If the KGB inspired deep fear in the West, for Soviet citizens, it was instead a protector of communism against Western aggressions.

Oleg’s father, Anton Gordievsky, had taken part in the most important events of the USSR thus far: hat the time. He had helped during the “sovietization” of Kazakhstan, b. By means of an induced starvation—, some 1.5 millions people perished; h. He had helped during the Great Purge of 1936-38, which caused one of the worst bloodbath ofs in history—. ”Better that ten people suffer than one spy get away.” The Gordievsky family outwardly seemed thlike ideal Soviet citizens,; however, the reality was far more complex. Oleg’s father, Anton Gordievsky, had taken part in the most important events of the USSR at the time. He had helped during the “sovietization” of Kazakhstan. By means of an induced starvation, some 1.5 million people perished. He had helped during the Great Purge of 1936-38, which caused one of the worst bloodbaths in history. ”Better that ten people suffer than one spy get away.” The Gordievsky family outwardly seemed like ideal Soviet citizens; however, the reality was far more complex.

This is a big run on sentence, it's better to split it up into smaller sentences.

Oleg’s father, Anton Gordievsky, had taken part in the most important events of the USSR thus far: he had helped the “sovietization” of Kazakhstan, by means of an induced starvation—some 1.5 milions people perished; he had helped during the Great Purge of 1936-38, which causedthe result of which was one of the worst bloodbath ofs in history—”Better that ten people suffer than one spy get away".” Theough Gordievsky outwardly seemed the ideal Soviet citizens, however, the reality was far more complex. Oleg’s father, Anton Gordievsky, had taken part in the most important events of the USSR thus far: he had helped the “sovietization” of Kazakhstan, by means of an induced starvation—some 1.5 milion people perished; he had helped during the Great Purge of 1936-38, the result of which was one of the worst bloodbaths in history—”Better that ten people suffer than one spy get away". Though Gordievsky outwardly seemed the ideal Soviet citizen, the reality was far more complex.

His father Anton disguised his terror of KgbGB brutality as pure and severetrict commitment to its principles. His father Anton disguised his terror of KGB brutality as pure and strict commitment to its principles.

His father Anton disguised his terror of Kgbifying KGB brutality as a pure and severe commitment to its principles. His father Anton disguised his terrifying KGB brutality as a pure and severe commitment to its principles.

His maternal grandmother had Oleg’s brother, Vasili, secretely baptized into the Russian Orthodox Church, despite all religions being illegal in USSR territoryies. His maternal grandmother had Oleg’s brother, Vasili, secretly baptized into the Russian Orthodox Church, despite all religions being illegal in USSR territories.

Since boyhood, Oleg had grown up around secrets. Since boyhood, Oleg had grown up around secrets.

Since boyhis childhood, Oleg had grown up asurrounded by secrets. Since his childhood, Oleg had grown up surrounded by secrets.

When he “jonined” the KgbGB, he had already had firsthand experiences of living a double life. When he “joined” the KGB, he had already had firsthand experiences of living a double life.

When he “jonined”" the KgbGB, he had already had firsthand experiences of living a double life. When he “joined" the KGB, he had already had firsthand experience of living a double life.

*for families of Kgb officers—or—for kgb officers’ families? *for families of Kgb officers—or—for kgb officers’ families?

Either is correct. However, I think "for families of KGB officers" flows better and is more natural.

*for families of KgbGB officers—or—for kgbKGB officers’ families? *for families of KGB officers—or—for KGB officers’ families?

Either one is grammatically correct.