Samantha has made something of a cottage industry out of talking about her estranged sibling who, she admits, she hasn't seen since 2010 and has had one conversation with since then.
Eric Marquez, 40, from OH, is one of several passengers on a bus tour offering a cream tea while they drive past key sights including Harry's home at Kensington Palace.
Markle's heart surgery is reportedly scheduled for Wednesday morning, during which he would have a stent fitted.
Daily Mail columnist Sarah Vine on Thursday castigated Harry's Kensington Palace press operation for not doing more to prevent Markle's relatives from sniping at her.
Thousands of journalists from across the world are descending on the genteel town of Windsor for the wedding, and Thomas told TMZ that the media attention had taken its toll.
Meanwhile, her mother, Doria Ragland, reportedly set off for London from the USA today.
Prince William could take Thomas Markle's place and walk Meghan down the aisle instead.
May 15: Thomas has a change of heart and says he wants to attend the wedding.
Jack Boland Toronto Sun
Windsor is a major tourist draw all year around, and many of those visiting this week planned their trips months before the wedding was announced.
Harry, grandson of Queen Elizabeth and sixth-in-line to the throne, and Markle, a star in U.S. TV drama "Suits", will tie the knot at Windsor Castle, home to the British royal family for almost 1,000 years.
Miss Remi Litt: Aged 6 - goddaughter of Markle, daughter of Benita Litt and Darren Litt.
Markle's father, Thomas, had been due to walk his daughter down the aisle in front of a congregation of senior royals, celebrities, friends of the couple and a TV audience of hundreds of millions.
If you're wondering what exactly a royal couple could possibly receive as wedding gifts, it's not as exciting as you'd imagine.
Prior to his surgery, Thomas told the publication, "They [doctors] will go in and clear blockage, fix damage and put a stent where it is needed".
He said she sent him a text saying she loved him and was anxious about his health, and that she was not angry about the staged paparazzi photo shoot. She also reportedly told her father that she didn't care about the paparazzi photos.
ROYAL CONDOMS?: Sure, you can get the usual tasteful royal wedding merchandise - from commemorative mugs, tea towels, stamps, coins, and t-shirts.
It comes after Mr Markle earlier told the site he was determined to make his daughter's big day saying: "I'd like to be a part of history".
South Sudan restricts movements on border with DR Congo over Ebola
Notably, about 23 people have reportedly died and 42 people have contracted the virus since Epola outbreak began earlier in May. She said her ministry would continue to monitor the situation at all levels and will update the public as the epidemic unfolds.