Cheating author spun a web of lies, says ex-wife

US$20 million; his net worth has been estimated at more than

US$150m.

In the lawsuit, Blythe Brown says that in 2014, her former husband ‘‘started to act distant, dressed differently, and instigated arguments’’. Four years later, he told her that he wanted to separate but that they should ‘‘remain best friends’’.

She moved out of their home in New Hampshire in August

2018. The couple did not have any children.

In 2013, Blythe Brown brought the trainer, identified in the lawsuit only as J P, to the US to train one of the couple’s horses. She alleges that Dan Brown began an affair with J P in 2014, while she was staying at the couple’s home recovering from shoulder surgery.

Brown claims that her thenhusband secretly bought J P a horse, a new car and a horse transport truck, and paid to renovate her flat in the Netherlands.

Blythe Brown claims that when she confronted her ex-husband this January, he admitted also having an affair with a hairdresser. She says she then found out that he had conducted further affairs with a ‘‘political official’’ and his personal trainer.

Dan Brown has denied the allegations.