Mandela's second wife, Winnie Madikizela-Mandela, also came from the Transkei area, although they, too, met in Johannesburg, where she was the city's first black social worker.[355] They had two daughters, Zenani (Zeni), born 4 February 1959, and Zindziswa (Zindzi) Mandela-Hlongwane, born 1960.[355] Zindzi was only 18 months old when her father was sent to Robben Island.
Unkosikazi wesibili kaMandela, uWinnie Madikizela-Mandela, naye ubuya endaweni yase-Transkei, kodwa noma bobabili bahlangana eJohannesburg, lapho khona ayengunonhlalonhle (social worker) wokuqala womuntu omnyamar.[98] Kulo mendo baba namadodakazi amabili, uZenani (Zeni), owazalwa ngomhla ka 4 Februwari 1959, kanye noZindziswa (Zindzi) Mandela-Hlongwane, owazalwa ngo 1960.[84] UZindzi wayenezinyanga ezingu 18 kuphela ngesihathi ubaba wakhe ethunyelwa ejele lase-Robben Island.