Built in the Romanesque style in the 12th and 16th century, the church was originally part of a priory under the abbey of Breteuil.
Ernest Douwes Dekker, Camillo Ricchiardi, Niko the Boer (Niko Bagrationi), Witold Rylski, Alexander Guchkov, Leo Pokrowsky, Major Baron von Reitzenstein, Viscount Villebois-Mareuil and the men of the two Irish commandos, the Irish Transvaal Brigade of John MacBride and John Blake, and the Second Irish Brigade of Arthur Alfred Lynch.
The Imperial Yeomanry’s first action was on 5 April 1900, when members of 3rd and 10th battalions fought Boer volunteers led by Frenchman Count de Villebois-Mareuil at Boshof.
Jean-Philippe Collard (born January 27, 1948, Mareuil-sur-Ay, Marne) is a renowned French pianist who is known for his interpretations of the works of Gabriel Fauré and Camille Saint-Saëns.
Joseph Alexandre Jacques Durant de Mareuil (6 November 6, 1769 Paris -13 January 1855 Ay Marne) was a French diplomat, and French ambassador to the United States from 1824 to 1830.
Louis Napoléon Auguste Lannes, 2nd duc de Montebello (July 30, 1801 Paris – July 18, 1874 Chateau de Mareuil-sur-Ay (Marne)) was a French diplomat and politician.
Its vineyards are located in the Vallée de la Marne subregion of Champagne, and are classified as Premier Cru (99%) in the Champagne vineyard classification.
The vineyard was first planted in 1864 by Louis Nicolas Renault, a French immigrant from Mareuil-sur-Ay who brought the original vinifera grapes from France.