A biography that weaves together the life story of several people whose lives had something in common is called?

There isn't a single, universally recognized term for a biography that weaves together the lives of several people with a common connection. However, here are some options that capture the essence of what you're describing:

General Terms:

* Collective Biography: This term emphasizes the shared aspect of the lives being chronicled.

* Group Biography: This is another straightforward term that highlights the multiple individuals being featured.

* Intertwined Lives: This option emphasizes the interconnectedness of the stories.

More Specific Terms:

* Family Chronicle: If the individuals are related, this term highlights the familial connection.

* Parallel Lives: This term is often used when comparing and contrasting the lives of individuals with similar experiences or backgrounds.

* Shared Destiny: This term suggests that the individuals' lives were shaped by a common historical event, societal force, or personal goal.

Creative Options:

* Mosaic Biography: This term evokes the image of individual pieces coming together to form a larger picture.

* Chorus of Voices: This term suggests that the biography is told through the voices of all the individuals involved.

Ultimately, the best term will depend on the specific nature of the connection between the individuals and the overall focus of the biography.