Andrew Alan Williams, 54, and his former partner, Laken Maree Rose, 32, have been sentenced in the High Court at Rotorua.
Williams was sentenced to 23 years and five months in prison, with a non-parole period of nine years and four months.
Rose has been given a jail sentence of 19-and-a-half years, with a non-parole period of seven years and nine months.
Williams was convicted on 56 charges and Rose 55.
They covered a raft of charges including rape, sexual violation, and making and possessing objectionable videos.