Bellatrix Lestrange, previously Bellatrix Black.
Orion Black is Sirius and Regulus Black's father. They are both first cousins of Bellatrix Lestrange.
Bellatrix Lestrange's maiden name is Black. If you are talking about who potrayed her in the movies, her name is Helena Bonham Carter.
bellatrix did you can read it in the 5th book
Bellatrix Lestrange (born Bellatrix Black)
Bellatrix Lestrange was the one who killed Sirius Black in the battle of the Death Eater's and the Order of the Phoenix in the Ministry of Magic.
It is never stated,it is unknown whether she even attended Hogwarts.
Yes, Bellatrix is Draco's aunt. His mother, Narcissa, is her sister. Narcissa and Bellatrix (along with their other sister Andromeda) are part of the Black family and were Sirius Black's first cousins.
Bellatrix (Black) Lestrange and Andromeda (Black) Tonks.
Bellatrix is the oldest Black sibling while Narcissa is the youngest. Their other sister, Andromeda is the middle.
Yes, Bellatrix (Black) Lestrange's sister is called Andromeda (Black) Tonks and Nymphadora is her daughter.
Sirius Black was killed by his cousin Bellatrix Lestrange.