Nuclear Family Symbols Guide
A comprehensive teaching genogram demonstrating all standard genogram person symbols and connection types.
Interactive Nuclear Family Symbols Guide
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About This Genogram
A comprehensive teaching genogram demonstrating all standard genogram person symbols and connection types. Includes living male (square), living female (circle), deceased (X), pregnancy (triangle), miscarriage (small filled symbol), stillbirth (X through small symbol), marriage, divorce, separation, cohabitation, engagement, and all child connection types: biological, adopted, foster, and step. Designed as a visual reference guide for students learning genogram notation.
How to Read This Genogram
In MSW and MFT training programs, students construct and interpret genograms as a core competency because the skill underpins much of what happens in family-based assessment. Early assignments ask students to diagram their own family of origin using standard notation, which develops both technical accuracy and reflective self-awareness about the systems that shaped them. Later assignments introduce constructed case examples like this one, where students practice reading an unfamiliar family's structure, identifying generational patterns, and forming evidence-based hypotheses about how the family system might influence the presenting concern.
The skills built through repeated genogram work include tracking information across multiple generations simultaneously, translating verbal family history into a visual format that a supervisor or treatment team can read quickly, and distinguishing structural facts from relational inferences. Students also learn to update a genogram as new information emerges during treatment, treating it as a living clinical document rather than a one-time intake tool. Familiarity with these skills before entering field placements allows students to spend their clinical hours on assessment and intervention rather than on learning the notation system from scratch under supervision.
Key Patterns in This Genogram
Symbol Reference
Standard genogram symbols and notation demonstrated in context.
Template Structure
Proper genogram layout and organization for academic assignments.
Learning Framework
A teaching tool for understanding family systems theory in practice.
Pattern Analysis
This 3-generation genogram maps 12 family members with birth years spanning from 1948 to 2026, comprising 6 males and 6 females (1 deceased). The genogram tracks 1 medical/psychological condition category. The index patient is Sarah Palmer (b. 1985), veterinarian.
The family system encompasses 3 generations with distinct patterns at each level. The oldest generation includes George, Helen, Carol and 1 other, with 1 presenting documented conditions. The middle generation includes Michael, Laura, Sarah and 2 others. The youngest generation includes Baby, Miscarriage, Stillbirth.
Medical and psychological conditions are documented in 1 of 12 family members (8%). Cancer diagnoses appears in 1 member (Frank).
As a teaching resource, this genogram demonstrates standard McGoldrick–Gerson notation in a realistic family context. Students can practice identifying key patterns: multigenerational transmission, family life cycle stages, and the interplay between structural relationships and emotional processes. This example serves as a foundation for understanding how genograms organize complex family information into a clinically useful visual format.
Build a Similar Genogram
A practitioner documenting a family similar to this one would typically record three generations of household composition, significant life events such as births, deaths, marriages, and separations, any relevant medical or mental health history, and the quality of key relationships between members. That information comes from a combination of the client's verbal account, intake questionnaires, and, where available, collateral records. The completed diagram captures both the factual structure of the family and the practitioner's clinical observations about relational patterns, making it a reference that can be shared across disciplines or reviewed at future stages of treatment.
GenogramAI's AI genogram generator allows you to build a diagram like this one from a plain-language description of the family. You type or paste a narrative, such as the basic structure and any key relationships or health history you want to include, and the AI parses that text, places the correct symbols, draws the appropriate relationship lines, and arranges the layout automatically. The result is a fully editable diagram that you can refine, annotate, and export for clinical records or educational use. Try the AI genogram creator to generate your own genogram from a text description in seconds.
Genogram Symbols Used in This Example
The following standard genogram symbols appear in the Nuclear Family Symbols Guide. Each symbol follows McGoldrick and Gerson clinical notation conventions.
Person Symbols
- Male (Square)
- A square represents a male family member in standard genogram notation.
- Female (Circle)
- A circle represents a female family member in standard genogram notation.
Status Markers
- Deceased (X)
- An X drawn through the symbol indicates the person is deceased.
- Index Patient (Arrow)
- An arrow pointing to a person identifies them as the index patient — the individual who is the focus of the clinical assessment.
Structural Relationships
- Marriage
- A solid horizontal line connecting two individuals represents a marriage or committed partnership.
- Divorce
- A marriage line with two diagonal slashes indicates divorce or legal separation.
- Separation
- A marriage line with one diagonal slash indicates an informal separation.
- Parent-Child
- A vertical line descending from a couple line to a child symbol represents a parent-child relationship.
Child Connection Types
- Biological Child
- A solid vertical line from parent to child indicates a biological relationship.
- Adopted Child
- A dashed vertical line with brackets indicates an adopted child.
- Foster Child
- A dotted vertical line indicates a foster child placement.
- Stepchild
- A dashed vertical line indicates a step-parent/step-child relationship.
Medical Conditions
- Cancer
- Shading indicates any cancer diagnosis, with specifics noted in the individual's record.
Related Resources
- Use this example as a reference for genogram assignments in family therapy courses.
- Our guide for genograms for psychology students explains the notation used in this example.
- Start with simple genogram examples if you are new to genogram notation.
- The deceased symbol (X through the shape) marks family members who have passed away.
- The marriage symbol connects partnered individuals in this genogram.
Frequently Asked Questions
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Basic 3-Generation Template
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Create Your Own Genogram
Use GenogramAI to build your own family genogram with AI assistance. Describe your family and let AI do the rest.
Educational disclaimer: This genogram example is an educational illustration of genogram notation and family systems concepts. Examples based on public figures use publicly available information. They are not clinical documents. All examples are intended for learning genogram symbols and patterns.