Rebecca Sieff
British Zionist
(1890–1966)
Parents
Michael Marks
Hannah Cohen
Children
Daniel Sieff
Marcus Sieff, Baron Sieff of Brimpton
Jane Sieff
Michael David Sieff
Judith Hannah Sieff
Siblings
Miriam Marks
Elaine Marks
Mathilda Marks
Simon Marks, 1st Baron Marks of Broughton
Partners
Israel Sieff, Baron Sieff
![Portrait of Rebecca Sieff](https://upload.wikimedia.org/wikipedia/commons/thumb/7/74/REBECCA_SIEFF_SPEAKING_at_THE_WORLD_"WIZO"_ORGANIZATION_IN_TEL_AVIV_(sq_cropped).jpg/960px-REBECCA_SIEFF_SPEAKING_at_THE_WORLD_"WIZO"_ORGANIZATION_IN_TEL_AVIV_(sq_cropped).jpg)