That is a hateful comment. Leave the children out of this. You do your cause no good by publishing such remarks.
Then I'll just stick to calling her his whore, which is not technically correct since he's not paying her but is quite satisfying to say.
BTW, I apologize for offending your sensibilities, but "bastard" is indeed the correct term for a child born out of wedlock, as the two Centonze children undoubtedly are. I don't make the rules . . . I just know and follow them.