Multiple Hierarchy doesn't display children for all its parent

Multiple hierarchy is doesn't correctly display the children term for all its parent terms, but only display the first children term below the first parent it finds.

Effectively, multiple parent linking doesn't work and the child below the lowest tid is displayed...

ex.

Should be...

Languages
--Object Oriented
----Java
----C++
----Smalltalk
--Procedural
----C++
----C

Bug...

Languages
--Object Oriented
----Java
----C++
----Smalltalk
--Procedural
----C
####Missing "C++" ####