Stanley Gifford was Marilyn Monroe's father

He was born in 1903 and passed away in 1985

Gifford was a former salesman and aviation engineer.

Monroe never had a close relationship with her father.

In a note to Monroe from Gifford being auctioned, he expresses regret for not being a good father to her.

The note is part of a larger collection of Monroe's personal possessions being auctioned off.

Other items being auctioned include her personal script from the movie "Gentlemen Prefer Blondes" and a collection of personal photographs.

Some of the items were sold for significant amounts of money, such as a dress worn by Monroe which sold for $280,000.

The auction was held by Julien's Auctions in 2018.