Meghan Markle's father has sent "all good wishes in the world" to King Charles, following his shock cancer diagnosis.
This comes as Thomas's son-in-law, Prince Harry, confirmed he would fly back to the UK in the coming days to visit his father.
Thomas, 79, who has his own health battles after suffering a major stroke in 2022, said: "I want to send my best wishes to King Charles and hope he gets well very soon.
"I wish him all the good wishes in the world," he told The Mail.
Meghan Markle has a distant relationship with her father, Thomas Markle
Getty / GB News
King Charles, 75, has been diagnosed with cancer after seeking treatment for an enlarged prostate.
The Palace confirmed that the monarch does not have prostate cancer, however, did not disclose any other details.
The King walked Meghan down the aisle to marry Prince Harry in 2018 after Thomas suffered two heart attacks the day before, and was ordered by doctors not to fly.
He has spoken in the past of his disappointment at not being able to walk his daughter down the aisle of St George's Chapel at Windsor.
Harry is travelling to the UK to visit his fatherReutersHowever, Thomas said he would be "eternally grateful" to the King for stepping in at the last minute.
On Monday, it was confirmed that the Duke of Sussex would be flying back to the UK to visit his father after his cancer diagnosis.
The 79-year-old's son, Thomas Markle Junior, appeared on GB News on Monday evening to discuss the King's latest health battle and whether or not the Duchess of Sussex should accompany her husband.
Speaking about his half-sister Meghan, Thomas said: "I don't think it's the right time for her to go across actually.
King Charles has cancer, Palace confirms in a statementPALATEST ROYAL NEWS:
In 2020, Harry relocated to the US with his Californian wife, Meghan MarkleGetty"There's been so much damage and hurt done to the Royal Family and my family.
"I think that's it's going to be a while before she can get over there. But it's the right thing for Harry to do.
"Nothing else matters when there's a family emergency. When it comes to a health issue especially, that's the most important thing, and everything needs to be set aside and that should be dealt with first."