Meghan Markle wants to help her husband, Prince Harry, reconcile with their sister-in-law, Kate Middleton, a source has claimed.

The Duke and Duchess of Sussex have a strained relationship with the royal family. However, several sources claimed Prince Harry was trying to end their feud. The former actress is allegedly already worried about her husband and has been secretly reaching out to Middleton.

"She wants to make peace with Kate. She doesn't want any bad blood between them," an unnamed insider told In Touch.

Kate Middleton and Meghan Markle
Catherine, Duchess of Cambridge and Meghan, Duchess of Sussex attend day twelve of the Wimbledon Lawn Tennis Championships at All England Lawn Tennis and Croquet Club on July 14, 2018 in London, England. Clive Mason/Getty Images

"Meghan's friends say she regrets how things went down, and she never meant any harm to Kate. Though she must realize she could've done things differently."

The Princess of Wales has been undergoing preventative chemotherapy after announcing her cancer diagnosis. Prince Harry and Markle released a statement wishing her "health and healing." The former actress has reportedly done more to reconnect with Middleton, but the future queen has remained aloof.

"Meghan's been going out of her way to show concern for Kate in this difficult time," the source continued. "Kate's response has been polite at best. She hasn't exactly encouraged or embraced Meghan."

Queen Elizabeth, the Waleses and Sussexes
Queen Elizabeth II, Meghan Markle, Prince Harry, Prince William, and Kate Middleton watch the RAF 100th anniversary flypast from the balcony of Buckingham Palace on July 10, 2018 in London, England. Paul Grover - WPA Pool/Getty Images

The tipster added that Middleton's response to Markle's effort wasn't a complete surprise because "Kate is 100 percent behind William." The Duchess of Cambridge supports her husband and everything he does, including his plan for a smaller and more stable lineup of the British monarchy. However, the Sussexes reportedly didn't expect they would be at odds with the royals.

"The cold treatment the Sussexes received from family members was something they hadn't bargained for," the source added. "They were relegated to the background and basically shunned. It hurt that they were so publicly ostracized."

The source concluded that it was too late for Prince Harry and Markle to make amends. Also, the tipster said it would be unlikely for them to be welcomed back as working royals.

Kate Middleton Catherine, Princess of Wales, Prince William, Prince of Wales, Prince Harry, Duke of Sussex, and Meghan Markle, Duchess of Sussex
Catherine, Princess of Wales, Prince William, Prince of Wales, Prince Harry, Duke of Sussex, and Meghan, Duchess of Sussex meet members of the public on the long Walk at Windsor Castle on Sept. 10, 2022 in Windsor, England. Getty Images/Kirsty O'Connor - WPA Pool

"Harry and Meghan are never coming back to The Firm -- and even if they could, it's unlikely they would be welcomed back as working royals and have the same privileges they used to have," the source added, noting that it would be more different when Prince William ascends the throne. "The feeling is that Harry and Meghan made their choice and now must live with it."

However, Grant Harrold, King Charles' former royal butler, believes Prince Harry still has a chance to regain his old life with the royal family. Harrold said Prince Harry only needs to admit that his memoir "Spare" "was a mistake." But the royal expert doesn't think Prince Harry will do it, adding, "Some families never patch things up."

Prince Harry, Meghan Markle, Catherine, Duchess of Cambridge, Kate Middleton
Prince Harry, Meghan Markle, Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge (not pictured) attend the first annual Royal Foundation Forum held at Aviva on February 28, 2018 in London, England. Getty Images/Eddie Mulholland - WPA Pool
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Kate Middleton, Meghan Markle