 "Mother" and "My Mummy's Dead" were both written under the influence of Arthur Janov's "Primal Scream" therapy, and released on his solo album "John Lennon/Plastic Ono Band" in 1970.Lennon's first son, Julian, born in 1963, was named after her.She was portrayed by Christine Kavanagh in "" (2000), and by Anne-Marie Duff in "Nowhere Boy" (2009).