Drag and drop parent on another parent
*{{{ Parent 1 +Child1
Parent 2 +Child 2 }}}
Drag and drop parent 2 on parent 1. Child 2 diseapear from roster.
*{{{ Parent 1 +Child1
Parent 2 +Child 2 }}}
Drag and drop parent 2 on parent 1. Child 2 diseapear from roster.