Cleopatra married her younger brother when her dad died, then her other younger brother kicked her off the throne. Then Cleopatra married Julius Cesar and once he died she married Marc Anthony. Anthony died in 30 BC after commiting suicide and Cleopatra did the same soon after.
Octavia was married to Anthony (Cleopatras fourth husband) before Cleopatra and they only got divorced 5 years after Cleopatras marrage.
Cleopatra's fourth child was named Ptolemy Philadelphos.
Cleopatra's last husband was her brother Ptolemy XIV. He was about eleven or twelve when he died.
The Cleopatras was created in 1983.
Cleopatras mother was her fathers sister, Cleopatra V, Tryphaena and she was killed by Cleopatra's sister Bernice because Cleopatra and her father had left to rome and Tryphaena had taken the throne. Cleopatras father died of natural causes (or so is thought) in 51 b.c.
Cleopatra only had one child who could have a husband and that was her daughter Cleopatra Selene. We don't know anything about the boys, but Cleopatra Selene's husband was king Juba II of Mauritania.
Cleopatra's dad died of natural causes, there were no "mysterious circumstances" surrounding his death.
No, Brackenfur did not die in the Fourth Apprentice.
Betsy Ross didn't have a 4th husband only 3.
No, not yet, but they are actively searching for it at present.
We don't know because we don't know who Cleopatra's mother was. There is only speculation about her mother, but no hard facts.
Firestar will die in the fourth series, Omen of the Stars