1. 1The Holy Roman EmpireFrom Strasbourg to Swabia. On 25 August 1627, Ferdinand II grants Eberhard-Georges Horrer and his descendants the nobility of the Holy Roman Empire.
2. 2The background of the ennoblement (1627)The Thirty Years' War and the two Horrer sons in the imperial army: why Ferdinand II ennobled the whole family in 1627.
3. 3In Alsace in the 17th centuryThe knight Christophe Horrer (1640–1713), ironmaster in Lauterbourg, and his descendants.
4. 4In Alsace in the 18th century (1): Jean-Georges Horrer and his familyJean-Georges Horrer (1676–1747), clerk of the court in Lauterbourg and later counsellor to the King, his wife Anne-Élisabeth de Goll, their thirteen children and the Strasbourg town house of 1745.
5. 5In Alsace in the 18th century (2): Georges-Joseph HorrerGeorges-Joseph Horrer (1713–1750), counsellor at the Sovereign Council, and his marriage to Jeanne-Rosalie de Brobeck. The Bruder and Capriol alliances.
6. 6The branch that did not emigrateIt begins with Joseph-André, Philippe-Xavier's brother, who did not leave in 1792.
7. 7The Revolution and the emigration to Russia1792: Philippe-Xavier leaves France with his sons. The army of Condé, then, in 1798, the departure for Moscow.
8. 8In RussiaIn the service of the Emperor of Russia, in the early 19th century.
9. 9The historical context in 1830The July Revolution and legitimist loyalty to the Bourbons.
10. 10Count Marie-Joseph d'HorrerBorn in Strasbourg in 1775, an émigré at sixteen, settled in Russia. A legitimist, close to the court of Charles X in exile.
11. 11The children of Marie-JosephThe last common generation: the ancestors of us all. Their descendants form the three branches.