Othon Henri del Caretto or Del Carretto, Marquis of Grana (1629 - Mariemont, Hainaut 15 June 1685) was an Imperial Army commander and political figure.
Descendant from an old Italian noble family, he was titular Margrave of Savona, Marquis of Grana, Count of Millesimo, etc.
He became instantly famous on 11 August 1675 in the Battle of Konzer Brucke, he engaged the right flank on exactly the right moment against the French under François de Créquy, inflicting a severe defeat. On the battlefield a Grana-memorial was erected in 1892.
He became a Knight of the Golden Fleece in 1678, Field Marshal of the Empire, Imperial embassador in Madrid and General Captain and Governor of the Spanish Netherlands in April 1682.
On 31 July 1667 he married Maria Theresia von Herberstein (Graz 1641 - Brussels 1682), widow of Franz Adam Graf von Losenstein.
They had two daughters :
After the death of his first wife Othon Henri married, on 10 June 1683, Maria Theresa d’Arenberg (1666–1716), sister of his son-in-law.