Prince HarryPrince HarryPrince Harry, Oprah Winfrey to debut special on mental health on Apple TV Queen's cousin and associate accused of 'secretly trading on their links' to Putin, monarchy for profit Sunday shows preview: Coronavirus dominates as White House continues to push vaccination effort MORE and Meghan, the Duchess of SussexMeghan MarkleMeghan wins last copyright claim over letter to father Meghan announces children's book inspired by Prince Harry and Archie The Hill's Morning Report - Biden to take stock, revive push for big government MORE, are sharing a message in the wake of Prince Philip's death, saying the Duke of Edinburgh "will be greatly missed."

The husband to Queen Elizabeth II and patriarch of Britain's royal family died Friday at 99, Buckingham Palace said.

Meghan and Harry, who stepped away from their duties as full-time working members of the royal family last year before moving to California, expressed their gratitude to the 36-year-old prince's grandfather on the homepage of their charitable foundation's website.

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"Thank you for your service," the Archewell website read.

"In loving memory," the site said, under the birth and death years of Philip. "You will be greatly missed."

The simple tribute from the couple came after they made headlines around the world for a bombshell interview last month with Oprah WinfreyOprah Gail WinfreyPrince Harry, Oprah Winfrey to debut special on mental health on Apple TV Oprah interview with Meghan, Prince Harry grew subscriptions for Paramount+ Meghan announces children's book inspired by Prince Harry and Archie MORE.

In the CBS tell-all, Harry and Meghan, an American former actress, detailed their reasons for heading from Britain to the Golden State, saying racism within the royal family played a role. The duchess born Meghan MarkleMeghan MarkleMeghan wins last copyright claim over letter to father Meghan announces children's book inspired by Prince Harry and Archie The Hill's Morning Report - Biden to take stock, revive push for big government MORE, whose mother is Black and father is white, said that before her son with Harry was born in 2019, there were conversations within the royal family about "how dark his skin might be."

The sit-down with Winfrey was conducted before Philip was admitted to the hospital in February after "feeling unwell." Gayle KingGayle KingMichelle Obama: 'You wanna hang out with us? Get your vaccine' The Memo: The Obamas unbound, on race Michelle Obama praises BLM, says she fears for daughters MORE, co-anchor of "CBS This Morning" and a Winfrey confidant, said after the Harry and Meghan interview aired that the TV special would have been postponed if Philip had died.