What did a niece of Cissy Houston became a United Nations Global Ambassador for?
Cissy Houston:  Houston is the mother of singer Whitney Houston, grandmother of Whitney's daughter, Bobbi Kristina Brown, aunt of singers Dionne and Dee Dee Warwick, and a cousin of opera singer Leontyne Price. Dionne Warwick: Dionne Warwick ( ) (born Marie Dionne Warrick; December 12, 1940) is an American singer, actress and television show host, who became a United Nations Global Ambassador for the Food and Agriculture Organization, and a United States Ambassador of Health.
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