One source says the picture on the left was first published in 1902.
Picture from 1905. Published in Saturday Evening Post, November-December 1920. Michael born July 21, 1900. Barbara born March 27, 1904.
Julia Dent Grant is on the bride's right.
The Library of Congress has this dated as December 23, 1921. The Fayetteville Observer, January 14, 1922, reports that Julia was the Chair of the American Central Committee for Russian Relief, aiding Russian refugees driven out of their country by the Bolsheviks. Her office is in the same room that Grant occupied as Secretary of War, in the old War Building, 532 17th St. NW., Washington, DC. Grant's portrait hangs behind her.
San Francisco Daily News, July, 1921
Grant's Great Grandson
Clarissa Pelham Curtis, first wife of Julia and Prince Michael's first child, their son Michael who was born in 1900. This picture is from the Miami Herald, July 14, 1921.
Michael and Julia Grant Cantacuzene's first daughter, born 1904. From the New York Tribune, November 13, 1921. She was 17 in this picture.
Great Great Grandson of U. S. Grant, Son of Prince Michael and Clarissa Cantacuzene, b. Oct. 22, 1928, d. March 16, 2016.
Michael and Julia Grant Cantacuzene's first daughter, born 1904. From around the time of her second marriage to William Durrell Siebern, newspaper article dated January 6, 1935, Omaha Sunday Bee.
Michael and Julia Grant Cantacuzene's first daughter, born 1904. Picture from January 1922.
Washington, DC Evening Star May 22, 1922
Washington, DC Evening Star May 22, 1922
Michael Cantacuzene, born 1900. Barbara "Bertha" Cantacuzene, born 1904, and Zenaida Cantacuzene, born 1908
Clarissa Pelham Curtis, first wife of Julia and Prince Michael's first child, their son Michael who was born in 1900. This picture is from the Boston Herald July 1921, at the time of her engagement to Michael.
Clarissa Pelham Curtis, first wife of Julia and Prince Michael's first child, their son Michael who was born in 1900. This picture is from the Pittsburgh Press, June 19, 1921, at the time of her engagement to Michael.
"Although the "official" wedding of Prince Michael Cantacuzene and Miss Clarissa Curtis of this city does not take place until tomorrow at Nahant, a religious ceremony in accordance with the Russian Orthodox rites of the Greek Catholic Church was performed this afternoon..." New York Times, June 27, 1921. Picture from the New York Herald.
Boston Herald, July 28, 1921
Michael and Julia Grant Cantacuzene's first daughter, born 1904. Picture from newspaper, October 13, 1922. She was 18 in this picture.
Great Great Granddaughter of U. S. Grant, Daughter of Prince Michael and Clarissa Cantacuzene. Born 1925, died of cancer at age 58 in 1984.
From History of the Daughters of the American Revolution of Florida, 1892/1933, volume 1. Jacksonville, Florida, 1933, pp. 259-261. Julia Grant Cantacuzene was a member of the Daughters of the American Revolution based on her great great grandfather Noah's service, which is fictitious.
Julia Cantacuzene and her youngest daughter Zenaida did the unveiling of the Grant equestrian statue in Washington, DC on April 27, 1922.
Probably from 1899. They were married in September of that year.
From an historical article in the Sarasota Herald Tribune, October 21, 2021.
Prince Michael Cantacuzene, from His Wife's Book: My Life Here and There
Clarissa Pelham Curtis, first wife of Julia and Prince Michael's first child, their son Michael who was born in 1900. This picture is from the Ogden Standard, May 17, 1921, at the time of her engagement to Michael.
Clarissa Pelham Curtis and Prince Michael Cantacuzene at the time of their engagement. From the Owensboro, Kentucky Messenger-Inquirer, May 1, 1921. I cannot find any explanation for the hat with the red cross on it. Red cross uniforms from the 1920s included headgear that looked like this.
Michael and Julia Grant Cantacuzene's first daughter, born 1904.
From the Pamona Republican and numerous other newspapers, May 14, 1925. Announcement of Bertha's engagement to Mr. Bruce Smith, of Louisville, Kentucky. She is 21.
Michael and Julia Cantacuzene's second daughter, born November 17, 1908, Engaged to John Hanbury Williams. From August 24, 1928 newspaper.
Michael and Julia Cantacuzene's second daughter, born November 17, 1908, Engaged to John Hanbury Williams. From a July 10, 1928 newspaper.
Michael and Julia Cantacuzene's second daughter, born November 17, 1908, Married to John Hanbury Williams. From a December 1, 1928 newspaper.
