RE: There is not a shred of evidence to support your claim.
So, this report is false then:
TITLE:
Where’s Vlad? In Switzerland with his mistress attending the birth of his ‘lovechild’
Yes, it is a false as there has been absolutely no confirmation from any credible media. It has been denied by the Kremlin and even Putin-hating Slate magazine says, “The love child rumor is almost certainly bogus.”
http://www.slate.com/blogs/the_slatest/2015/03/13/putin_s_not_in_switzerland_with_his_love_child_says_spokesman.html