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A genogram is a pictorial display of a patient's family relationships and medical history. It goes beyond a traditional family tree by allowing the user to visualize hereditary patterns and psychological factors that punctuate relationships. It can be used to identify repetitive patterns of behavior and to recognize hereditary tendencies.

Genograms were first developed and popularized in clinical settings by Monica McGoldrick and Randy Gerson through the publication of a book titled Genograms: Assessment and Intervention in 1985. Genograms are now used by various groups of people in a variety of fields such as genealogy, medicine, psychiatry, psychology, social work, genetic research, education, and many more. Some practitioners in personal and family therapy use genograms for personal records and/ or to explain family dynamics to the client. Few if any genealogists yet use them.

Genogram symbols[]

A genogram is created with simple symbols representing the gender, with various lines to illustrate family relationships. Figure 1 illustrates basic genogram symbols with various types of individuals. Some genogram users also put circles around members who live in the same living spaces. Genograms can be prepared by using a complex word processor, or a computer drawing program. There are also computer programs that are custom designed for genograms.

Basic Genogram Symbols

Genogram symbols will usually have the date of birth (and date of death if applicable) above, and the name of the individual underneath. The inside of the symbol will hold the person’s current age or various codes for genetic diseases or user-defined properties: abortions, still-births, SIDS, cohabitations, etc.

Genogram content[]

A genogram can contain a wealth of information on the families represented. It will not only show you the names of people who belong to your family lineage, but how these relatives relate to each other. For example, a genogram will not only tell you that your uncle Paul and his wife Lily have three children, but that their eldest child was sent to boarding school, that their middle child is always in conflict with her mother, that their youngest has juvenile diabetes, that Uncle Paul suffered from depression, was an alcoholic, and a philosopher, while Aunt Lily has not spoken to her brother for years, has breast cancer and has a history of quitting her jobs. Figure 2 illustrates that genogram.

Sample Genogram

Family relationships[]

One of the advantages of a genogram is the ability to use colour-coded lines to define different types of relationships such as family relationships, emotional relationships and social relationships. Within family relationships, you can illustrate if a couple is married, divorced, common-law, engaged, etc. Figure 3 illustrates the symbols commonly used for family relationships.

Family Relationship Symbols in a Genogram

Emotional relationships[]

Genograms usually also include emotional relationships. These provide an in-depth analysis of how individuals relate to one another. Colour-coded lines represent various emotional relationships that bond individuals together. In Figure 2, the double dotted line between Lily and Natalie illustrates discord, the line with red stripes illustrates distrust between Paul and his son Andrew, and the broken line between Lily and Frank illustrates a cut-off relationship. Figure 4 illustrates the symbols commonly used for emotional relationships

Emotional Relationship Symbols in a Genogram

Social relationships[]

Another component of genograms is social relationships. These allow users to link individuals who are not related to one another, but who have a connection in society-at-large, such as neighbor, co-worker, boss-employee, pastor-church member, teacher-student, etc. Social relationships can also illustrate an individual’s relation to a social entity like Andrew and the boarding school in Figure 2. The use of social relationships links allows the genogram to be used in a business environment to create organizational charts or floor plan layouts of the employees.

A genogram looks like a family tree, but with all the different types of relationships, it contains a significantly more detailed and complete picture of the family or group it illustrates.

Purpose of the Genogram[]


In genealogy, genograms are used to record family history through the lives of each of its members. Genograms allow the genealogist to graphically portray complex family trees that show marriages and divorces, reconstituted families, adoptions, strained relationships, family cohesion, etc. Genealogists can use genograms to discover and analyze interesting facts about their family history, such as a naming pattern, sibling rivalry, or significant events like immigration.


In medicine, medical genograms provide a quick and useful context in which to evaluate an individual's health risks. Knowledge of diseases and conditions that occur within a family can give a health care team invaluable information that may aid in a swift, accurate diagnosis and treatment of health problems. And, a knowledge of diseases and illnesses that "run" in families can give individuals an important head start in pursuing effective preventive measures. A medical genogram is helpful in determining patterns of disease or illness within a family. Medical genograms can include many generations, however four generations may prove to be enough detail. Figure 5 illustrates a user-defined legend for a medical genogram.

[[Image:Medical legend.png|650px|Medical Genogram Symbols|Medical Genogram Lege


In psychology, genograms are used by psychologists to gather objective and consistent information from the clients and their family, helping them to view the client’s issues in the larger context of their marital relationship, family relationships and culture of origin and underlining key issues to discuss in client counseling. Genograms portray emotional relationships, which allow psychologists to see and evaluate possible conflicts within the family.

Social work[]

In social work, genograms are used to display emotional bonds between individuals composing a family or social unit. A genogram will help social workers to make an assessment of the level of cohesiveness within a family or a group and to evaluate if proper care is available within that unit. Genograms also allow displaying social relationships that illustrate the places people attend such as schools, churches, youth facilities, associations or retirement homes.


In research, genograms allow researchers to understand multi generational processes within various plant and animal species, such as the development of mutations. Genograms can also illustrate rates of renewal, mechanisms of survival, or processes involved in the regulation of tolerance, among other things.


In education, genograms can be used by teachers and students for illustrating book reviews, or family trees of a famous politician, philosopher, scientist, musician, etc. They allow them to focus their attention on specific details and also see the big picture of the books and individuals they are studying.

Creating Genograms[]

Genograms can be useful in almost any profession that deals with social interaction. Genograms can help to visualize complex interactions between individuals and to study patterns of behaviors or diseases. Genograms are best created with genealogy software, as advanced software allows the user to include tremendous amounts of data. Genealogy software also allows the user to create detailed reports containing analysis of the information stored in each person’s individual properties. Genograms are often drawn by hand, sketched working right with the client. It is also possible to create a Genogram using MS Word.

See also[]

External Links[]

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