The daughter of novelist Benjamin Farjeon and Maggie (Jefferson) Farjeon, Eleanor came from a literary family, her two younger brothers, Joseph and Herbert Farjeon, were writers, while the oldest, Harry Farjeon, was a composer.
Dcera populárního romanopisce Benjamina Farjeona a Maggie (Jeffersonové) Farjeonové, Eleanor pocházela z literární rodiny, její dva mladší bratři, Joseph a Herbert Farjeonové byli spisovateli zatímco nejstarší, Harry Farjeon se stal skladatelem.