genogram

ge·no·gram

noun \ˈjē-nə-ˌgram, ˈjen-ə-\

Definition of GENOGRAM

: a diagram outlining the history of the behavior patterns (as of divorce, abortion, or suicide) of a family's members over several generations in order to recognize and understand past influences on current behavior patterns; also : a similar diagram detailing the medical history of the members of a family as a means of assessing a family member's risk of developing disease