Alois-Konstantin, 9th Prince of Löwenstein-Wertheim-Rosenberg

Alois was born in Würzburg, the fifth child and only son of Karl, Prince of Löwenstein-Wertheim-Rosenberg and his wife, Carolina dei Conti Rignon. He had four older sisters, Maria (wife of Joseph Archduke of Austria), Josephine (wife of Alexander Prince of Liechtenstein), Monika (wife of Don Jaime Mendez de Vigo y del Arco) and Christiane (wife of Michael Archduke of Austria), and two younger sisters, Elisabeth-Alexandra (wife of José Maria Trénor y Suarez de Lezo) and Lioba (wife of Moritz Eugen Prince of Oettingen-Oettingen and Oettingen-Wallerstein). He and his sisters spent their childhood in Bronnbach, and Alois attended school in Miltenberg.

Alois graduated with a degree in law from the University of Würzburg. After working for Gulf Oil in Pittsburgh, he was director of Merck Finck & Co and LGT Bank. He is a commander of the Order of the Holy Sepulchre, a knight of the Order of the Golden Fleece, and a board member of the Papal Foundation Centesimus Annus Pro Pontifice (CAPP). He also serves as the director of the Forum of German Catholics' Congress on Joy and Faith.

Alois and his wife Princess Anastasia of Prussia, c. 2010

Alois married Anastasia, the elder daughter of Prince Hubertus of Prussia, in a civil ceremony in 1965 in Bronnbach, and in a religious ceremony a month later in Erbach. The couple lives at Kleinheubach castle. They had four children:

• Carl Friedrich Hubertus Georg Eduardo Paolo Nicolo Franz Alois Ignatius Hieronymus Maria (1966–2010); married Stephanie von Brenken, had children
• Hubertus Maximilian Gabriel Louis Franz Constantin Dominik Wunibald Maria (born 1968); married to Iris von Dornberg
• Christina Maria Johanna Caroline Magdalene Osy Cecilie Hermine Isidora Victoria Anastasia (born 1974)
• Dominik Wilhelm Christian Nikolaus Sturmius Antonius Charles Benedikt Felix Maria (born 1983); married to Olga zu Castell-Rüdenhausen[1]

His heir apparent is his grandson, Nicodemus, born 2 August 2001.

• Homepage des Hauses Löwenstein
• "Wappen des Hauses Löwenstein". Archived from the original on October 27, 2009. Retrieved April 26, 2010.