Jefatura del Estado Mayor Presidencial
The Jefatura del Estado Mayor Presidencial was the office served by the General commanding the Estado Mayor Presidencial ( EMP ) , a kind of Presidential Guard that protected the security of the President of Mexico , his family , and that of foreign dignitaries visiting Mexico . 
<triplet> President of Mexico <subj> Mexico <obj> country <triplet> Mexico <subj> President of Mexico <obj> office held by head of state