This Tamil Kings list,apart from sourcing from the Traditional folk songs ,also includes the Tamil Kings mentioned and detailed in Tamil Sangam Literature. Pathittruppathu anthology is the main source among the Sangam literature
Traces of Tamil culture is found among Hitties,Elamites,Aztecs and Mayans.
The Home of Tamils ,Lemuria is 230 million years old and Himalayas was not even formed then.
Himalayas were formed about 70 million years ago.
The issues that confounds are,
That is, Foreign literature does not quote Puranas/events mentioned by them.
My answer is that my grand father can not quote me.