Ko ia te tamaiti anake o Shelley (née Stevens), he wahine hapu Amerika e mahi ana hei kaihoko a Portman, me Avner Hershlag, he tohunga whakatipuranga Israeli me te gynecologist. Ko ona tupuna whaea, Bernice (née Hurwitz) me Arthur Stevens (ko te ingoa o te whanau ko Edelstein), no nga whanau Hurai i neke ki te United States mai i Austria me Russia. Ko nga tupuna matua o Portman, Mania (née Portman) me Yehuda Hershlag, he manene Hurai ki Israel. I whanau i Poland, i neke ki te mea i taua wa ko te Mandatory Palestine i te 1938 me te oranga ohaoha. I mate ona matua i te Camp Auschwitz One. Ko te tupuna matua o Portman i whanau ki Avner Hershlag, he tohunga whakatipuranga me te gynecologist. I whanau ia i te Whare Wananga o Portman i te tau 1988 i Long Island, Connecticut, engari i hoki mai tana papa ki te Whare Wananga o te Whare Wananga o te Whare Wananga o te Whare Wananga o te Whare Wananga o te Whare Wananga o te Whare Wananga o te Whare Wan
Ko te tau 1981