|See also:||Malfoycest, Weasleycest, Pottercest|
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Blackcest is a term used in Harry Potter fandom to describe incestuous relationships between members of the Black family. The most common pairings are permutations of brothers Sirius and Regulus Black and their cousins, sisters Narcissa, Andromeda, and Bellatrix Black.
- I Envy Not the Beast, by Gyzym. Sirius/Regulus.
- 7 Loves/7Lives ( i called you brother seven times), by xylodemon. Sirius/Regulus.
Essays & Meta
- Blackcest, Livejournal fanworks community.
- blackcest_ml, Blackcest masterlist collating links to fanfiction and fanart for all Blackcest pairings.
- hp_blackcest, House of Black, an LJ fanfiction community. The associated archive Black Corruption seems to be offline.
- blackcest100, LJ drabble community.
- sbrb_blackcest, LJ comm for Sirius/Regulus.