The 21-year-old daughter of late Whitney Houston has been under doctors' care since January 31, when she was found lying unconscious in a bahttub at her home, reported Us magazine.
While the rest of the family members have sought privacy on her health, Jerod has been quite open about it.
Kristina's father Bobbi released a statement through his lawyer, saying, "At this time it is requested that the media cease speaking with unauthorised members of the family. The integrity of the events that led to the hospitalisation of Bobbi Kristina must remain uncompromised.
Mentioning Jerod in his statement, Bobby said people should not attend any praying meet organised by him.
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"In particular, Jerod Brown aka Jerod Carter aka YF Kennedy, continues to makes statements and appear on television, however, he has not had any communication with Bobby Brown or the Houston family.
"He must be disregarded. Please do not attend any 'meet and greet' organised by Jerod Brown as he is unable to provide access to Bobbi Kristina or information on her condition. This is a criminal investigation and we do not need this side show," he said.