
Speaking exclusively to the News of the World, Michael Lohan claims that the DJ would not let his 22-year-old offspring visit her family over the festive period.
And the devout Christian - who has spoken of his disapproval of the pair's lesbian relationship in the past - calls Ronson a "parasite" who is a bad influence.
Michael revealed: "I was prompted to do this by people who know the truth and were tired of people slamming me for standing up for what is right.
"Sure, I made mistakes, but I paid the price and I am trying my best to turn it all around. The same thing I hope for Lindsay and anyone else, on any level, in her position.
"I remained silent for quite a long time but when Sam prompted Lindsay to write that blog and kept her away from her siblings during Christmas - that was the final straw."
It comes after Michael accused DJ Sam of writing a blog on Lindsay's MySpace page with barbed remarks about the fact he fathered an illegitimate daughter 14-years-ago.
"I am 99 per cent certain that Lindsay's blog was authored by Samantha," he added.

Ex-Wall Street stockbroker Michael, 47, who completed a 20-month jail sentence in 2007 for drink driving, has always spoken publically of his dislike for Samantha.
He even called the 31-year-old a "dark, hideous and a disgusting representation of humanity."
Michael was outraged last week when his daughter told waiting photographers to "look at him" when she was faced with a question about drugs.
The Mean Girls star was reacting to comments that Michael had made which alleged that Samantha had been using narcotics.
But a furious Michael hit back by publishing a blog on his new website which slams Ronson, despite claims by Michael that he and Lindsay have called a truce.
He stormed: "Let me ask you, was it me who was actually pictured in the train station with a bag full of prescription drugs?
"Do you see me out partying with Lindsay, my other children or having raging wars with her?
"Was it me who jumped out of a DJ booth and punched Lindsay when she was with Calum Best?
"Did I drive Lindsay around for hours in LA until she fell asleep and before I ran low on gas only to call the paps and sell pictures to them? Uh uh!
"As a matter of fact, I was the one who tried to keep those kinds of parasites away from Lindsay."
Lindsay had previously claimed on her MySpace blog that Michael had fathered an illegitimate daughter 14-years-ago while he was already married to Lindsay's mother.
The actress wrote: "My father just let my family and I know, amongst others that he had another child after my little sister Aliana, or maybe he had it before Aliana.
"Either way, he cheated on my mother and that really sucks."
But Michael told a US TV network, in a rant similar to the one on his internet site: "I don't believe that was made by Lindsay. Samantha posts a lot on Lindsay's blog.
"I don't like where she has taken her. Is Lindsay making movies? Is she singing? Is she doing the things she was blessed with?
"No. She's running around clubs with Samantha.
"Ever since Samantha became part of her life, Lindsay's drifted farther and farther away from what's important.
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