Nawaz Sharif is the oldest Prime Minister of Pakistan.
Count of Idanha-a-Nova was a Portuguese title of nobility created on 17 June 1892 by Charles I of Portugal .. Portuguese. Portugal. title of nobility. title of nobility. Charles I of Portugal. Charles I of Portugal. Counts  :. 1 .. Jeronimo Trigueiros de Aragao Martel da Costa , 1st Count of Idanha-a-Nova. Jeronimo Trigueiros de Aragao Martel da Costa. Jeronimo Trigueiros de Aragao Martel da Costa. 2 .. Joaquim Trigueiros Osorio de Aragao , 2nd Count of Idanha-a-Nova. Joaquim Trigueiros Osorio de Aragao. Joaquim Trigueiros Osorio de Aragao. 3 .. Joaquim Maria Trigueiros Coelho Frazao Osorio de Aragao Martel , 3rd Count of Idanha-a-Nova. Joaquim Maria Trigueiros Coelho Frazao Osorio de Aragao Martel. Joaquim Maria Trigueiros Coelho Frazao Osorio de Aragao Martel. 4 .. Maria de la Salette Trigueiros Coelho Frazao Osorio de Aragao Martel , 4th Count of Idanha-a-Nova. Maria de la Salette Trigueiros Coelho Frazao Osorio de Aragao Martel. Maria de la Salette Trigueiros Coelho Frazao Osorio de Aragao Martel