So I can't definitely say Elizabeth is not of Jewish heritage but from her paternal line she definitely isn't.
Her parents marriage record: https://www.wiewaswie.nl/en/detail/6743601
Paternal -> paternal Great-grandparentshttps://www.wiewaswie.nl/en/detail/13825971
Jan Derks Doornbos is Elizabeth's great grandparent and was baptized Reformed on 30 Aug 1795 at Huizinge, Middelstum, Groningen, Netherlands.https://www.familysearch.org/ark:/61903/3:1:939L-79SL-G5?i=7...
Perhaps she has Jewish blood on her mother's side?