Wikipedia:

Newton was born in London, the daughter of Nyasha, a Zimbabwean health-care worker and Nick Newton,[6] a laboratory technician and artist. Her birthplace has been incorrectly reported to be Zambia in some biographies,[8] but she has confirmed in interviews that she was born in London, during a two-week trip by her parents.[1][2][9] The name "Thandiwe" means "beloved"[10] in Ndebele, Zulu, Xhosa or Swazi, and "Thandie" is pronounced /ˈtændi/ tan-dee in English. According to Newton, her mother is a Shona princess.

If I were Thandie Newton, I'd remove that bit about her mother being a "Shona princess." Not because it's probably inaccurate, but because if it is accurate it means something other than she and her fans think it does. You see, even my father would talk but his grandmother being some kind of princess. You see, there are lots of princesses in the family trees of Southern Africans. There are not, however, many fathers or grandfathers who turn out to be princes or kings. There is good reason why there are so few kings and so many princesses. Please use your imagination and you will see why. Royal power in Africa/Europe/Asia has never looked like a Disney picture. The history of real royal power is nothing pretty to look at.