genogram
/ˈdʒɛnəɡram/ /ˈdʒiːnəɡram/originally Psychology
noun
A diagrammatic representation of a person's family history which includes various interpersonal and psychological data, and is used especially to identify psychological tendencies within the family; (also) a similar representation containing information on medical conditions within a family.
Origin
1970s; earliest use found in The Washington Post. From geno- + -gram.