Bateson and Sumner were divorced in 1957, after which Bateson married his third wife, the therapist and social worker Lois Cammack (born 1928), in 1961.
Bateson dan Sumner bercerai pada tahun 1957, setelah Bateson menikahi istrinya yang ketiga, seorang dokter dan pekerja sosial Lois Cammack (lahir 1928), pada tahun 1961.