Hacke was briefly married to German actress and singer Meret Becker and was involved in her musical career. Becker guested on Einstürzende Neubauten's album Ende Neu. In 2006, Hacke married his longtime partner Danielle de Picciotto, an American Berlin-based multimedia artist who is known for having founded the Berlin Love Parade together with Dr Motte and for singing in the band Space Cowboys.
