autobiographical

US /ˌɑː.t̬əˌbaɪ.əˈɡræf.ɪ.kəl/
UK /ˌɑː.t̬əˌbaɪ.əˈɡræf.ɪ.kəl/
"autobiographical" picture
1.

relating to or dealing with the writer's own life

:
The novel is largely autobiographical, drawing on her childhood experiences.
His latest film has strong autobiographical elements.