No. Cleopatra didn't have to kill Bernice. Their father did it because Berenice and her husband usurped the throne from him.
bernice, Cleopatra Tryphoena
her sister bernice.
There are many Bernices and at least two Cleopatra Tryphaenas. (The ancient Egyptians were not too creative with their names) If you mean Cleopatra VII's sisters, well Bernice was executed by her father when he returned to power and Cleopatra Tryphaena just disappeared from the historical record, although some researchers think that she may have ruled alongside her sister Bernice for a brief time.
She had two sisters Bernice IV and Arsinoe IV. She also had a third sister, another Cleopatra.
Bernice (eldest sister) Cleopatra Tryphoena (2nd eldest) Cleopatra Ptolemy XIII Arisnoe Ptolemy XIV
Octavian did not kill Cleopatra. Cleopatra killed herself. She committed suicide.
cleopatra vi(S), bernice vi(S), cleopatra vii thea philopator, arsino(B), ptolemy xiii(B), ptolemy xiv(B)
Cleopatra had three sisters. Trypheana was the oldest, with Bernice after, and then Cleopatra herself. There was also Arsinoe, the youngest of the girls. But that is not all. There is and was the sons of King Ptolemy XII. These were Ptolemy XIII and Ptolemy XIV.
Cleopatra was killed by Asps.
no
Cleopatra's siblings were not assassinated in the strictest sense of the word, they were murdered or killed outright. Their father killed Berenice, Cleopatra herself poisoned her brother/husband Ptolemy, and Cleopatra had Marc Antony kill her sister Arsinoe. (Cleopatra wouldn't dare kill Arsinoe herself, because Arsinoe was under the protection of Rome, but Antony, as a Roman triumvir could and did kill Arsinoe to please Cleopatra).Cleopatra's siblings were not assassinated in the strictest sense of the word, they were murdered or killed outright. Their father killed Berenice, Cleopatra herself poisoned her brother/husband Ptolemy, and Cleopatra had Marc Antony kill her sister Arsinoe. (Cleopatra wouldn't dare kill Arsinoe herself, because Arsinoe was under the protection of Rome, but Antony, as a Roman triumvir could and did kill Arsinoe to please Cleopatra).Cleopatra's siblings were not assassinated in the strictest sense of the word, they were murdered or killed outright. Their father killed Berenice, Cleopatra herself poisoned her brother/husband Ptolemy, and Cleopatra had Marc Antony kill her sister Arsinoe. (Cleopatra wouldn't dare kill Arsinoe herself, because Arsinoe was under the protection of Rome, but Antony, as a Roman triumvir could and did kill Arsinoe to please Cleopatra).Cleopatra's siblings were not assassinated in the strictest sense of the word, they were murdered or killed outright. Their father killed Berenice, Cleopatra herself poisoned her brother/husband Ptolemy, and Cleopatra had Marc Antony kill her sister Arsinoe. (Cleopatra wouldn't dare kill Arsinoe herself, because Arsinoe was under the protection of Rome, but Antony, as a Roman triumvir could and did kill Arsinoe to please Cleopatra).Cleopatra's siblings were not assassinated in the strictest sense of the word, they were murdered or killed outright. Their father killed Berenice, Cleopatra herself poisoned her brother/husband Ptolemy, and Cleopatra had Marc Antony kill her sister Arsinoe. (Cleopatra wouldn't dare kill Arsinoe herself, because Arsinoe was under the protection of Rome, but Antony, as a Roman triumvir could and did kill Arsinoe to please Cleopatra).Cleopatra's siblings were not assassinated in the strictest sense of the word, they were murdered or killed outright. Their father killed Berenice, Cleopatra herself poisoned her brother/husband Ptolemy, and Cleopatra had Marc Antony kill her sister Arsinoe. (Cleopatra wouldn't dare kill Arsinoe herself, because Arsinoe was under the protection of Rome, but Antony, as a Roman triumvir could and did kill Arsinoe to please Cleopatra).Cleopatra's siblings were not assassinated in the strictest sense of the word, they were murdered or killed outright. Their father killed Berenice, Cleopatra herself poisoned her brother/husband Ptolemy, and Cleopatra had Marc Antony kill her sister Arsinoe. (Cleopatra wouldn't dare kill Arsinoe herself, because Arsinoe was under the protection of Rome, but Antony, as a Roman triumvir could and did kill Arsinoe to please Cleopatra).Cleopatra's siblings were not assassinated in the strictest sense of the word, they were murdered or killed outright. Their father killed Berenice, Cleopatra herself poisoned her brother/husband Ptolemy, and Cleopatra had Marc Antony kill her sister Arsinoe. (Cleopatra wouldn't dare kill Arsinoe herself, because Arsinoe was under the protection of Rome, but Antony, as a Roman triumvir could and did kill Arsinoe to please Cleopatra).Cleopatra's siblings were not assassinated in the strictest sense of the word, they were murdered or killed outright. Their father killed Berenice, Cleopatra herself poisoned her brother/husband Ptolemy, and Cleopatra had Marc Antony kill her sister Arsinoe. (Cleopatra wouldn't dare kill Arsinoe herself, because Arsinoe was under the protection of Rome, but Antony, as a Roman triumvir could and did kill Arsinoe to please Cleopatra).
Cleopatra killed herself in August of 30 BC.