Our roots
The first member of the Hahn family is mentioned in the historical annals is Eckhard, Eggehardus Gallus in Latin original. In 1230 he is referred to as a councilor and a knight of the Duke Johann the I-st of Mecklenburg and was, most probably, a descendent of the Obodrite nobility – for centuries allies of Charlemagne in his wars against the Germanic Saxons and the Slavic Veleti.

Our branch of the family starts from Johann August von Hahn (1730 – 1791), Postmaster General during the reign of Catherine the Great of Russia. The current owners of the Weissenburg Manor/ Kloster Zscheiplitz descend both from the Lutheran and Orthodox lines of the family: the first incorporated into the Ösel's Nobility Corporation in 1849, and the second (Gan; рус. Ган) – members of the St. Petersburg nobility.

Hahn of Weissenburg family is also an heir to the title and the coat of arms of barons of Knabenau – a junior line of the Counts of Kyburg, a brunch of the Agilolfing dynasty and direct descendant of the Carolingian and Ottonian dynasties, as well as houses of Billung and Habsburg-Laufenburg.
Argent a cock, one of his claws elevated, Gules. Upon a helmet correspondent to the armiger's degree, that is, a tournament helmet or a great helm, ensigned with a coronet of a noble, for the crest, a cock as in the shield. Mantling Gules lined Argent.

From Dukes of Allemania to Counts of Dillingen
VII - XIII cc.
Gotfried
*650 †709
Gotfried
*650 †709
Herzog der Alamannen
Huoching
*675 † 744
Huoching
*675 † 744
Herzog der Alamannen
Adalbald
*720
Adalbald
*720
Graf von Ostrevant
Adalbert
*740
Adalbert
*740
Graf von Ostrevant
Hugbald I
*771-796 †813
Hugbald I
*771-796 †813
Graf von Ostrevant
Hugbald II
*805 †827
Hugbald II
*805 †827
Graf von Ostrevant
Graf Thiotpold III
*827- 843
Graf Thiotpold III
*827- 843
Graf von Ostrevant
Graf Hugbald IV
*844 - 869
Graf Hugbald IV
*844 - 869
Graf von Ostrevant
Graf Richine IV
*897
Graf Richine IV
*897
Graf von Ostrevant
Hugbald I
*865 †909)
Hugbald I
*865 †909)
Graf von Dillingen, Valoi, Senlis, Ostrevant etc.
Dietpirch (Thietburga) of Swabia
father of St. Ulrich of Augsburg
Mangold I
†972
Mangold I
†972
Graf von Dillingen
Hugbald II
*972 †974
Hugbald II
*972 †974
Graf von Dillingen
Mangold II
*1003
Mangold II
*1003
Graf von Dillingen
Hugbald III
†1074
Hugbald III
†1074
Graf von Dillingen
Adelheid von Gerhausen
Hartmann I
†1121
Hartmann I
†1121
Graf von Dillingen
Adelheid von Winterthur-Kyburg
Adalbert I
† 1151
Adalbert I
† 1151
Graf von Dillingen — Kyburg
Mathilde von Mörsberg
Hartmann III
†1180
Hartmann III
†1180
Graf von Kyburg-Dillingen
Richinza of Lenzburg
Ulrich
*1150 †1227
Ulrich
*1150 †1227
Graf von Kyburg
Anna of Zähringen
Werner
*1190 † 1228 on Crusade
Werner
*1190 † 1228 on Crusade
Graf von Kyburg
Alice of Lothringen
Hartmann V
*1218 †1263
Hartmann V
*1218 †1263
Graf von Kyburg
1. Anna von Rapperswil, 2. Elizabeth of Chalon
Arms of the Counts of Dillingen
From Counts of Dillingen to Counts of Kyburg
XI - XIII cc.
Eberhard
*1227 †1284
Eberhard
*1227 †1284
Graf von Habsburg-Laufenburg
Anna von Kyburg
Hartmann I
*1275 †1301
Hartmann I
*1275 †1301
Graf von Kyburg
Elisabeth of Freiburg *1280 †1322
Eberhard II
†17 April 1357
Eberhard II
†17 April 1357
Graf von Kyburg
Anastasia of Signau *1313 †1382
Rudolf
*1350 †1404
Rudolf
*1350 †1404
Rathsgebietiger der Deutschordens
Arms of Counts of Kyburg
From Counts of Kyburg to Barons of Knabenau
XV - XIX cc.
NN
*c. 1400
NN
*c. 1400
Baron von Knabenau
Hartvig
*c. 1430
Hartvig
*c. 1430
Baron von Knabenau
NN
*c. 1460
NN
*c. 1460
Baron von Knabenau
NN
*c. 1490
NN
*c. 1490
Baron von Knabenau
Friedrich Wilhelm Augustin
*1510 + before 1576
Friedrich Wilhelm Augustin
*1510 + before 1576
Baron von Knabenau, Rathsgebietiger der Deutschordens
Margarethe Anna Elisabeth von der Decken *1520
Johann Friedrich Wilhelm Ludolf, 'der Wütend'
*1539 Riga, Curland †December 1572 (32-33) Haarlem, Netherlands
Johann Friedrich Wilhelm Ludolf, 'der Wütend'
*1539 Riga, Curland †December 1572 (32-33) Haarlem, Netherlands
Baron von Knabenau
Barbara von Tiesenhausen-Bersohn, daughter of Heinrich
Heinrich Friedrich
*1571 +1621
Heinrich Friedrich
*1571 +1621
Baron von Knabenau
Sophia Rueber Reichsgraefin zu Pixendorf, daughter of Hans Rueber zu Pixendorf
Carl-Christian Friedrich Wilhelm
* March 16, 1597 Piltene, Curland + 1630 (32-33) Kraków, Poland
Carl-Christian Friedrich Wilhelm
* March 16, 1597 Piltene, Curland + 1630 (32-33) Kraków, Poland
Baron von Knabenau
Anna Margareta von Kruse af Elghammar
Otto Friedrich Gerhard Gotthard Georg
*1621
Otto Friedrich Gerhard Gotthard Georg
*1621
Baron von Knabenau
Margarethe von Wrangel *1630
Gotthard Friedrich
*circa 1679 Piltene, Courland
Gotthard Friedrich
*circa 1679 Piltene, Courland
Baron von Knabenau
1. Anna von der Recke *1654 and 1714, 2. princess Zofia Radziwill *1681
Georg Gotthard (Jerzy)
*circa 1723, Groß-Born Manor, Lielborne
Georg Gotthard (Jerzy)
*circa 1723, Groß-Born Manor, Lielborne
Baron von Knabenau
Margarethe von Sass +March 20, 1801, Annenhof
Friedrich Gotthard
*circa 1740, Groß-Born Manor, Curland
Friedrich Gotthard
*circa 1740, Groß-Born Manor, Curland
Baron von Knabenau
Sophia (Sofi) Ottiliana von Vietinghoff *September 02, 1741, Töllist, Öesel
Johann Friedrich Otto (Ivan) Fridrikhovich (Fedorovich)
*circa 1781, Neu-Sallensee Manor, Curland +29.10.1845
Johann Friedrich Otto (Ivan) Fridrikhovich (Fedorovich)
*circa 1781, Neu-Sallensee Manor, Curland +29.10.1845
Baron von Knabenau
Gertruda Gottliebe von Freytag-Loringhoven
Gules a sloping fess Azure between two lions passant Or. Upon a helmet correspondent to the armiger's degree, that is, a tournament helmet or a great helm, for the crest, an arm proper vambraced Argent, brandishing a battle-axe of the same, handle Or, blade backwards, between wings Azure. Mantling Azure doubled Or.
From Knabenau to Hahn (St. Petersburg)
XIX - XXI cc.
Karl Otto
*1782 †1850
Karl Otto
*1782 †1850
Charlotte-Federike von Knabenau, daughter of Johann Friedrich Otto and Gertruda Gottliebe von Freytag-Loringhoven
Dmitry
*1830 †1907
Dmitry
*1830 †1907
General of the Infantry, Inspector General of the Imperial Border Guard Corps
Olga Vasilievna Dmitrieva * 1859 † 23.9.1913
Sergey
*1860 †1914
Sergey
*1860 †1914
Privy Councillor, Deputy Minister of Trade and Economy, Director General of the Imperial Russian Bank
Elena Konstantinowna von Stain †1909, daughter of Konstantin von Stain
Konstantin
*25.5.1892 St.Petersburg †28.12.1937 USSR
Konstantin
*25.5.1892 St.Petersburg †28.12.1937 USSR
Officer of the Grenadier Regiment of the Imperial Guards, veteran of the Great War (1914-1918), aide de camp of the Supreme Ruler and Supreme Commander-in-Chief Admiral Kolchak
1. Baronesse Nadine Alexandrowna Meller-Sakomelsky, daughter of Baron Alexander Meller-Zakomelsky 2. Tatiana Nikolaevna Muljukina
CoA of the von Hahn family of the St. Petersburg Governorate
From Hahn (St. Petersburg) to Hahn-Weissenburg
XX - XXI cc.
Bernhard
*1933 †1997
Bernhard
*1933 †1997
Elena von Hahn *1935, daughter of Konstantin von Hahn *1892-1937
Alexander
*1970
Alexander
*1970
@ Weissenburg Manor
Katharina Kaend * 1980
Feodor Konstantin Alexander
*2004
Feodor Konstantin Alexander
*2004
Argent a cock, one of his claws elevated, Gules. Upon a helmet correspondent to the armiger's degree, that is, a tournament helmet or a great helm, ensigned with a coronet of a noble, for the crest, a cock as in the shield. Mantling Gules lined Argent. Von Knabenau Gules a sloping fess Azure between two lions passant Or. Upon a helmet correspondent to the armiger's degree, that is, a tournament helmet or a great helm, for the crest, an arm proper vambraced Argent, brandishing a battle-axe of the same, handle Or, blade backwards, between wings Azure. Mantling Azure doubled Or. Von Knabenau quartered with von Hahn. Between the two helmets with crests, a panache of peacock's feathers proper.

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