The engagement was announced between Count Maximilien of Harcourt, who turned 28 twelve days ago [son of Count Olivier of Harcourt (b.1954) & his wife Catherine, nee de Bazelaire de Boucheporn (b.1953)]
and Countess Philippine of Ursel (b.18 October 1986) [daughter of Count Lancelot of Ursel (b.1953) & his wife Nathalie, nee Countess of Oultremont (b.1961)]
on 26 November.
Sources:
http://www.carnetmondain.be/
Harcourt
Ursel
Maximilien is third of four children and second one who marries; his sister Douce (b.1981) married Pierre Vauthrin (b.1980) in 2010.
Philippine is second of three children, only daughter and first one who marries.