Maximilian Emanuel, Prince of Hornes, Count of Baucignies and of Solre-le-Château, was born 31 August, 1695 in Brussels and died 12 January, 1763, in Saint-Martin/Brussel. He was awarded the Austrian Order of the Golden Fleece in 1749. His Principality was surrounded by the Bishopric of Liège. His father was Philippe Emanuel, Prince of Hornes and his mother was Princess Marie Anne Antoinette of Ligne. He married Lady Marie Therese Charlotte Bruce, daughter of Thomas Bruce, 2nd Earl of Ailesbury, an English nobleman who lived in exile in Brussels for much of his life. His children were:
Following his first wife's death, he was married to Princess Henriette Therese Norbertine of Salm-Kyrburg and then after her death, to Princess Marie Albertine of Gavre.