Anastasia Nikolaevna: The Grand Duchess Trivia!

The correct answer is "Four sisters". This implies that the person in question has four female siblings who are related to her by blood.

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The correct answer is "The Big Pair". This suggests that the older sisters were referred to as a pair, and specifically as a "big" pair, indicating that they were older and perhaps more influential or dominant compared to the younger sister.

Tatiana was one of her sisters.

The correct answer is "The Little Pair". This suggests that both she and her sister were referred to as a pair and were likely known for being small or young.

The incorrect statement about her murder is that she was killed by imperial guards.

The correct answer is Hemophilia. Hemophilia is a genetic disorder that affects the blood's ability to clot. It is more common in males and can cause excessive bleeding and bruising. There is no mention of any other disease in the question, so the only disease she could have suffered from is Hemophilia.

Michael Goleniewski was the impostor of Alexei Romanov.

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Ingrid Bergman is one of her impostors because the question implies that there is someone who is pretending to be the mentioned personality. Since the question does not provide any context or additional information, it is unclear who "her" refers to and why someone would be impersonating her. However, based on the given options, Ingrid Bergman is the correct answer as one of the impostors.