Unknown Parentage Symbol
A dashed or question-marked line indicating unknown biological parent
Standard genogram notation for unknown parentage symbol
How to Use This Symbol
Used when one or both biological parents are unknown or unidentified
When to Use the Unknown Parentage Symbol
The unknown parentage symbol is an essential part of standard genogram notation. Proper use of this symbol helps ensure your genogram can be understood by other clinicians, researchers, and family members.
Best Practices
- Always use consistent symbol sizes throughout your genogram
- Place symbols in the appropriate generational row
- Include relevant dates and information near the symbol
- Use standard line connections to show relationships
Frequently Asked Questions
What does the unknown parentage symbol represent in a genogram?
A dashed or question-marked line indicating unknown biological parent
When should I use the unknown parentage symbol?
Used when one or both biological parents are unknown or unidentified
Is the unknown parentage symbol standardized across all genograms?
Yes, the unknown parentage symbol is part of widely used genogram notation, based on the conventions described by Monica McGoldrick, Randy Gerson and colleagues. Using consistent symbols helps clinicians, researchers and family members read your genogram the same way.
Create Your Genogram
Use the unknown parentage symbol and all standard symbols with our intuitive genogram creator.
Download for iPhone, iPad & MacGenogram notation based on the conventions described by McGoldrick, Gerson and Petry in Genograms: Assessment and Treatment (W. W. Norton). Genogram Creator is an independent app and is not affiliated with or endorsed by the authors or the publisher.