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family systems · fictional case study · estrangement

House of Black Genogram

Type GenogramStandard McGoldrick, Gerson & Petry (2020)Engine schematex-genogramUpdated 6/20/2026
House of Black Genogram
Drawing preview
The scenario

This genogram maps the Black family tree, focusing on Cygnus and Druella's offspring and their marriages, including the disownment of Andromeda for marrying a Muggle-born wizard. Bellatrix, the identified patient, exhibits extreme ideology and mental instability, culminating in her death.

What is in this drawing

Read the decisions behind it.

01

Selecting Bellatrix as index despite villainous role

02

Depicting family cutoff for Andromeda

03

Including non-pureblood spouses to show contrast

Useful for teaching family systems theory through popular culture, especially concepts of family cutoff, loyalty, and the transmission of values across generations.

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