File:Black family tree by Lord Valentinijan part 1.jpg

The Black family tree. At the left side are decipted Cygnus and Arcturus I, and then we can see Cygnus' children: Phineas Nigellus, Sirius I, Elladora and Isla. Phineas Nigellus' and Ursula Flint's children: Phineas, Sirius II, Belvina, Arcturus II and Cygnus II. Arcturus' children: Callidora, Cedrella and Charis.