Charles Spencer often impresses his fans with photos of his lavish home, Althorp House, and with insights into his family life.
MORE: Charles Spencer wows with rare family photo - and the resemblance is uncanny
And on Tuesday, he wowed with a photo of his late father, with the picture having been taken not long after John had recovered from a major stroke. In the black-and-white photograph, the Earl's father was praising a reverend following their service at All Saints, which is located in Northampton, close to where Princess Diana was born in Althorp.
WATCH: Charles Spencer opens up about Princess Diana's grave
Charles' father was accompanied by his wife, Raine Spencer, who was the stepmother for the Earl and Diana.
SEE: Charles Spencer thrills fans with childhood photo of Princess Diana
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In his caption, the father-of-seven explained: "My father, 43 years ago, thanking the Rev. Victor Malan for conducting the Service of Thanksgiving at All Saints, Northampton, following my father's recovery from a serious stroke.
"My stepmother looking on." He then added a serious of hashtags, like: "#father #family #thanksgod #recovering #newleaseoflife #spencerfamily #manofgod #1970s #backfromthebrink."
The Earl shared this photo of hsi father
Fans were stunned with the photo, with many seeing the resemblance between the Earl's father and himself.
READ: Charles Spencer makes candid confession about life with new family addition
SEE: Charles Spencer shares rare family photo with the Queen - fans have same reaction
One enthused: "I see the resemblance!" while a second added: "You so take after your father!!" and a third posted: "My goodness. Say what you wish about La Raine but she was an incredibly stylish woman at any age. Great photo @charles.earl.spencer Your father looks like he got his second wind as we say here in Ireland!"
Another was just glad about John's recovery, as they shared: "And thank God he made a full recovery to walk his third daughter down the aisle at St Pauls Cathedral."
© Photo: Getty ImagesThe Earl's family history has been mired in tragedy
Last week, Charles tugged at the heartstrings of his followers as he shared a photo of the gravestone of his older brother, also named John, who sadly died after being alive for just ten hours in 1960.
In a caption, he wrote: "Looking as it should, now…," Charles, 57, wrote. "I never knew my older brother, John, and live 100 miles from his grave - but, seeing it last summer, realised serious action was required. Thank you, BB, for making it look as it should. #family #rip #brother."
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The father-of-seven was quickly inundated with messages in response to his post. "Wow.. a piece of history many of us did not know," one wrote, while a second shared: "I knew both my brothers who sadly passed in '75 & '77 when I was still under 10, but their grave became a place of much solace for our family. All these years on I still visit."
John was buried at Sandringham; at the time, the family lived at Park House on the estate. Princess Diana, meanwhile, was laid to rest on a small island in the grounds of Althorp, located in the middle of the ornamental Round Oval Lake.
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