Background: Zenzile Miriam Makeba (4 March 1932 - 9 November 2008), nicknamed Mama Africa, was a South African singer, actress, United Nations goodwill ambassador, and civil-rights activist. Associated with musical genres including Afropop, jazz, and world music, she was an advocate against apartheid and white-minority government in South Africa. Born in Johannesburg to Swazi and Xhosa parents, Makeba was forced to find employment as a child after the death of her father. She had a brief and allegedly abusive first marriage at the age of 17, gave birth to her only child in 1950, and survived breast cancer.
Context: Zenzile Miriam Makeba was born on 4 March 1932 in the black township of Prospect, near Johannesburg. Her Swazi mother, Christina Makeba, was a sangoma, or traditional healer, and a domestic worker. Her Xhosa father, Caswell Makeba, was a teacher; he died when she was six years old. Makeba later said that before she was conceived, her mother had been warned that any future pregnancy could be fatal. Neither Miriam nor her mother seemed likely to survive after a difficult labour and delivery. Miriam's grandmother, who attended the birth, often muttered "uzenzile", a Xhosa word that means "you brought this on yourself", to Miriam's mother during her recovery, which inspired her to give her daughter the name "Zenzile".  When Makeba was eighteen days old, her mother was arrested and sentenced to a six-month prison term for selling umqombothi, a homemade beer brewed from malt and cornmeal. The family could not afford the small fine required to avoid a jail term, and Miriam spent the first six months of her life in jail. As a child, Makeba sang in the choir of the Kilnerton Training Institute in Pretoria, an all-black Methodist primary school that she attended for eight years. Her talent for singing earned her praise at school. Makeba was baptised a Protestant, and sang in church choirs, in English, Xhosa, Sotho, and Zulu; she later said that she learned to sing in English before she could speak the language.  The family moved to the Transvaal when Makeba was a child. After her father's death, she was forced to find employment; she did domestic work, and worked as a nanny. She described herself as a shy person at the time. Her mother worked for white families in Johannesburg, and had to live away from her six children. Makeba lived for a while with her grandmother and a large number of cousins in Pretoria. Makeba was influenced by her family's musical tastes; her mother played several traditional instruments, and her elder brother collected records, including those of Duke Ellington and Ella Fitzgerald, and taught Makeba songs. Her father played the piano, and his musical inclination was later a factor in Makeba's family accepting what was seen as a risque choice of career.  In 1949, Makeba married James Kubay, a policeman in training, with whom she had her only child, Bongi Makeba, in 1950. Makeba was then diagnosed with breast cancer, and her husband, who was said to have beaten her, left her shortly afterwards, after a two-year marriage. A decade later she overcame cervical cancer via a hysterectomy.
Question: Does she have sublings?. Whats the answer?
Her mother worked for white families in Johannesburg, and had to live away from her six children.