Immunotherapy Following Reduced Intensity Conditioning and Allogeneic Stem Cell Transplant for Poor Risk CD30+ Hodgkin Lymphoma Patients

Inclusion Criteria: * 45 years of age or less. * Patients with Hodgkin Lymphoma with either of the following: • Primary induction failure (failure to achieve initial CR) and/or primary refractory disease OR First, Second or Third relapse AND History of prior ablative auto HSCT or ineligible for an ablative auto HSCT or ≥25% residual disease after at least two reinduction chemotherapy cycles AND HLA matched family donor (6/6 or 5/6) or matched unrelated adult donor (MUD) (8/8) or matched umbilical cord blood unit (≥5/6) with prethaw cell dose of at least 3 x 107/kg TNC. * off other investigational therapy for one month prior to entry in this study. * adequate organ function Exclusion Criteria: * Patients with HD with 4th or greater CR, PR, and/or SD are ineligible. * Patients with rapidly progressive disease (PD) unresponsive to reinduction chemo, radio, or immunotherapy are ineligible. * Patients who don't have an eligible donor are ineligible. * Women who are pregnant are ineligible.