Analysis of information sources in references of the Wikipedia article "Boni de Castellane" in English language version.
The religious marriage of Boniface Marquis de Castellane, to Anna Gould (daughter of the late Jay Gould), in 1895; at the Vatican, by Pope Pius XI. She divorced Boniface in Paris in 1906, in 1908 married (in London) Hélie de Talleyrand-Périgord, later the fifth Duc de Talleyrand.
The religious marriage of Boniface Marquis de Castellane, to Anna Gould (daughter of the late Jay Gould), in 1895; at the Vatican, by Pope Pius XI. She divorced Boniface in Paris in 1906, in 1908 married (in London) Hélie de Talleyrand-Périgord, later the fifth Duc de Talleyrand.