Born as James Nicholas Pritzker[5] to Robert Pritzker and Audrey (née Gilbert) Pritzker in Chicago, Illinois.[6] She grew up as a member of the Jewish Pritzker family as the granddaughter of family patriarch A.N. Pritzker.[6] She has two siblings, Linda Pritzker (b. 1953) and Karen Pritzker Vlock (b. 1958).[7] Her parents divorced in 1979, and she has two half-siblings, Matthew Pritzker and Liesel Pritzker Simmons, from the remarriage of her father, Robert, to Irene Dryburgh in 1980.[8] (Her mother also remarried, to Albert B. Ratner in 1981).[9]
https://en.wikipedia.org/wiki/Jennifer_Pritzker