Ashley Horn, 15, is the alleged love daughter of Michael Lohan to Kristi horn. Well not much of the Dad but if Ashley is his daughter then she will be Lindsay's step sister. Ashley's mom allegations is about 2 years ago (2008) were Michael Lohan has denied the said allegations. Just one week after Lindsay Lohan was released early from rehab, unexpectedly Ashley and her mom is reaching out to help the troubled actress. Ashley wanted to reach out alleged half-sister, Lindsay, over the rehab, but because she doesn't have any ties to the Lohans, communication was impossible.