2 More Grandchildren For Camilla

Camilla Duchess of Cornwall arrives at a gala evening at the Museum of Modern Art in New York, Tuesday Nov. 1, 2005. Prince Charles and Camilla Duchess of Cornwall are on an 8-day tour of the United States, the first foreign tour they have undertaken together since their marriage in May
Prince Charles' office says his wife has become a grandmother for the third - and fourth - time.

Photos: Charles and Camilla
Photos: Duchess' Daughter Weds

Clarence House says Laura Lopes, the daughter of Camilla, Duchess of Cornwall, gave birth to twin boys on Wednesday. The boys have been named Louis and Gus.

Camilla already has two other grandchildren. Lopes has a 23-month-old daughter with husband Harry, and her son Tom Parker Bowles has a 2-year-old daughter with his wife Sara.

A Clarence House spokesman said Thursday that mother and sons are doing well and that Camilla is "absolutely delighted."