His mausoleum, designed by Richard Morris Hunt, is an exact replica of the Chapel of St. Hubert at Château d'Amboise in France.
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In 1907, she married Williams Proudfoot Burden, brother of James Abercrombie Burden, Jr.
Oliver Cromwell | Oliver Stone | Oliver! | Oliver Goldsmith | Belmont Park | Oliver | Jamie Oliver | Belmont | Oliver Wendell Holmes, Jr. | Oliver Sacks | Oliver Wendell Holmes, Sr. | Oliver Twist | Oliver Wendell Holmes | Oliver Hardy | Belmont Stakes | Oliver Reed | Oliver North | Oliver Nelson | Oliver Hazard Perry | Oliver Lake | Oliver Heaviside | Oliver O. Howard | Oliver Tambo | Oliver Lodge | Oliver Letwin | Oliver Kahn | Oliver Knussen | Belmont, Massachusetts | Paul Oliver | Oliver Tompsett |
Construction was still underway when Oliver Belmont died, when Alva announced that she would build an addition that was an exact reproduction of the Gothic Room in Belcourt Castle, to house her late husband's collection of medieval and early Renaissance armor.