Jermaine Jackson took to twitter to say that his mom is not missing after Paris Jackson and a nephew took to twitter to say that she was indeed missing.Michael Jackson‘s family is involved in a serious dispute with matriarch Katherine’s advisers, and tension reached a new level overnight when her nephew reported her missing. However, Jermaine tweeted after the initial panic:”I want to reassure everyone that Mother is fine but is resting up in AZ on the orders of a doctor, not us.”He also added:”This is our mother and her health is paramount. We are not inventing or plotting anything. We are following doctor’s advice. Period.”The latest development comes after a letter signed by five of the late pop star’s siblings “” Jermaine, Janet, Rebbie, Randy and Tito “” was made public Wednesday. It accused Michael’s estate executors John Branca and John McClain of conspiracy and abusing their 82-year-old mother.