Her mother in law is the late Diana, Princess of Wales who was mother to her husband, the Duke of Cambridge (Prince William.) Camilla was never a "mother in law" to the Duchesss of Cambridge as she is not Prince William's mother.
Carole Elizabeth Middleton (nee Goldsmith) is Kate Middleton's mothers name.
Prince William
Mountbatten-Windsor
in massachusetts
it is like yeah.
Too look after the family
Sapphire
Kate Middleton chose her sister Pippa to be her Lady-in-Waiting.
Kate Middleton's parents are Carole Elizabeth Middleton and Michael Francis Middleton.
Kate Middleton was born on January 9, 1982
Kate gave birth to a baby boy on July 22, 2013.
Catherine Elizabeth Middleton