Org Chart - data.addRows with the same name only appears once

[Sendi Yuliyadi]

Hi. I want to ask

in data.addRows im inserted 2 rows with the same name

my code data.addRows :

// For each orgchart box, provide the name, manager, and tooltip to show.

   data.addRows([

       [{v:'Mike', f:'Mike<div style="color:red; font-style:italic">President</div>'}, '', 'The President'],

       [{v:'Jim', f:'Jim<div style="color:red; font-style:italic">Vice President</div>'}, 'Mike', 'VP'],

       ['Alice', 'Mike', ''],

       ['Bob', 'Jim', 'Bob Sponge'],

       ['Carol', 'Bob', ''],

       ['Bob', 'Alice', ''],

   ]);

how to be able to display all names in data addRows

thank you

Regards,

Sendi