Ludwig Erdwin Seyler

Ludwig Erdwin Seyler
Born	Hamburg
Died	October 26, 1836(1836-10-26) (aged 78)
Occupation(s)	Merchant, banker, politician
Known for	Senior partner of Joh. Berenberg, Gossler & Co. (1788–1836); presidency of the Hamburg Commercial Deputation

Ludwig Erdwin Seyler (15 May 1758 – 26 October 1836), frequently referred to as L.E. Seyler, was a distinguished Hamburg merchant, banker, and political figure. Through marriage, he became part of the influential Hanseatic Berenberg family and held partnership in Joh. Berenberg, Gossler & Co. (present-day Berenberg Bank) for nearly five decades (1788–1836), serving as the senior partner for 46 of those years. The company’s name was updated in 1791 to include his surname and has remained unchanged since; Seyler is often regarded as the “Co.” in the firm’s title. He was among the pioneering German merchants and bankers to establish commercial ties with both the United States and East Asia. The firm’s considerable prosperity was largely due to its dominant role in importing sugar from the Americas to Northern Europe, complemented by its merchant banking operations. During the Napoleonic Wars, Seyler emerged as a leading Hamburg merchant and held various political roles, including membership in the French-appointed Hamburg council and later presidency of the Hamburg Commercial Deputation. He was the son of Abel Seyler, a Swiss-born theatre director, and became son-in-law to bankers Johann Hinrich Gossler and Elisabeth Berenberg through his marriage to their eldest daughter, Anna Henriette Gossler.

Background and early life

Born in Hamburg, Ludwig E. Seyler was the younger son of Abel Seyler (1730–1800), a Swiss-born theatre impresario of note in the 18th century, and his Hanoverian wife Sophie Elisabeth Andreae (1730–1764). Abel Seyler had initially established a career as a merchant banker in Hamburg during the mid-18th century but became embroiled in controversy due to speculative ventures that culminated in bankruptcy during the Amsterdam banking crisis of 1763. After 1767, Abel shifted his focus almost entirely to theatre, largely leaving his children behind as he toured with the Seyler Theatre Company.

Following their mother’s passing in 1764, Ludwig and his siblings were raised in Hanover by their maternal uncle Johann Gerhard Reinhard Andreae, an Enlightenment-era natural scientist who assumed a paternal role. In 1772, Abel Seyler remarried Friederike Sophie Seyler, one of Germany’s foremost actresses at the time and author of the opera Oberon, which notably influenced The Magic Flute.

On his father’s side, Seyler descended from prominent Basel patrician lineages such as Seyler, Burckhardt, Socin (originally Italian nobility), Merian, and Faesch; he was distantly related to Cardinal Joseph Fesch, Napoleon’s uncle. His maternal grandfather was Leopold Andreae, a court pharmacist in Hanover. His sister Sophie married Johann Anton Leisewitz, a poet associated with the Sturm und Drang movement. Felix Hoppe-Seyler, recognized as a founder of biochemistry and molecular biology, was adopted by one of Seyler’s nephews.

Joh. Berenberg, Gossler & Co.

At age 17 in 1775, Ludwig Erdwin Seyler began his career at the Hamburg-based firm Berenberg & Gossler as an apprentice. Founded in 1590 by the immigrant Berenberg family from Antwerp, this company was then exclusively owned by Johann Hinrich Gossler, who would later become Seyler’s father-in-law. On 20 May 1788, Seyler married Anna Henriette Gossler, eldest daughter and heir to Johann Hinrich Gossler and Elisabeth Berenberg—the proprietors of one of Hamburg’s most prestigious business families.

Shortly after marrying into the family, Seyler was elevated to partner status; following Johann Hinrich Gossler’s death in 1790, he assumed the role of senior partner. Elisabeth Berenberg maintained her partnership until 1800, while Johann Heinrich Gossler—Seyler’s brother-in-law—became a partner in 1798. To acknowledge Seyler’s involvement, the company name was changed to Joh. Berenberg, Gossler & Co. in 1791—a designation that remains today.

Under Seyler’s stewardship, the firm significantly expanded its international trade ventures, breaking new ground by establishing commercial relations with both the fledgling United States and East Asia. By the turn of the century, company capital had doubled to roughly one million Mark Banco, ranking it among Hamburg’s largest trading houses. Although it lost half its capital during the Napoleonic Wars, swift recovery followed after hostilities ceased. The substantial importation of sugar from Brazil, North America, and East Asia after 1814 played a key role in rebuilding its wealth. Alongside its merchant banking services, Joh. Berenberg, Gossler & Co. earned an esteemed international standing unmatched by most German competitors by 1830.

By 1809, Seyler held approximately 41% ownership of the firm and acted as senior managing partner; his brother-in-law controlled about 33%. Until his death in 1836, Seyler remained a dominant figure within the company alongside Johann Heinrich Gossler—dedicating over six decades to its operation: 48 years as partner and 46 as senior partner.

Napoleonic Wars and political involvement

Throughout the Napoleonic Wars, Hamburg experienced French occupation beginning in 1806, culminating in its incorporation into the Bouches-de-l'Elbe département within the First French Empire by 1811. The French authorities encouraged the adoption of the French language and introduced a series of reforms. In February 1813, Seyler received an appointment from the French administration as deputy judge on the commercial tribunal (tribunal de commerce). That same spring, he was among thirty leading Hamburg merchants temporarily detained as hostages to enforce the payment of a "contribution" demanded by France, an act that sparked considerable unrest.

In 1813, the headquarters of the Berenberg firm were transferred to Seyler's residence in Wandrahm after the Gossler family's city home, Mortzenhaus, was commandeered by French forces for use as a military hospital. Subsequently, Seyler relocated the company's main office to his son-in-law Gerhard von Hosstrup’s domicile.

During the summer of 1813, Louis-Nicolas Davout, the French Governor-General, appointed Seyler to Hamburg’s municipal council (conseil municipal), which functioned as the city's governing authority under French rule, replacing both its traditional government and parliamentary structures. Seyler remained a member until the council was disbanded following Hamburg’s liberation and reestablishment as an independent state. During this transitional period, former municipal councillors continued temporarily in administrative capacities.

On 23 March 1813, Seyler was elected to the Commercial Deputation, where he held the presidency from May 1817 until July 1818. The Commercial Deputation was a central political body in Hamburg, with membership conferring ex officio representation in the Hamburg Parliament under the post-Napoleonic constitutional framework. In addition to this role, Seyler participated in the Banco Deputation responsible for overseeing Hamburg’s internationally recognized Banco currency, as well as serving on the Shipping and Port Deputation.

Legacy

L.E. Seyler earned a reputation in Hamburg as "an honourable character, both as a merchant and as a human being." He rests in the family tomb shared by the Berenberg and Gossler family at the Old Hamburg Memorial Cemetery (Althamburgischer Gedächtnisfriedhof), alongside his wife Anna Henriette née Gossler, mother-in-law Elisabeth Berenberg, brother-in-law Senator Johann Heinrich Gossler, and nephew, Hamburg First Mayor Hermann Gossler. This burial site is one of only six reserved family plots dedicated to prominent citizens of Hamburg within this memorial cemetery.

Descendants and family

Ludwig Seyler and Anna Henriette Gossler had seven children:

1. Sophie Henriette Elisabeth ("Betty") Seyler (1789–1837), who married Hamburg entrepreneur Gerhard von Hosstrup, founder of the Hamburger Börsenhalle in 1804
2. Johann Hinrich Seyler
3. Emilie ("Emmy") Seyler, spouse of physician Ludwig Friedrich Christian Homann
4. Louise Auguste Seyler, who wed Gerhard von Hosstrup following her sister’s death
5. Maria ("Molly") Seyler
6. Louise ("Wischen") Seyler (1799–1849), married ship broker Ernst Friedrich Pinckernelle (1787–1868), whose sons established the G. & J. E. Pinckernelle insurance brokerage
7. Henriette Seyler (1805–1875), wife of Norwegian industrialist Benjamin Wegner (1795–1864) associated with Fossum and later Frogner Manor

All seven offspring held joint ownership of Berenberg Bank from 26 October through 31 December 1836.

The co-founder of Commerzbank, Ludwig Erdwin Amsinck (1826–1897)—son of his niece Emilie Amsinck née Gossler and magnate Johannes Amsinck—was named in his honor. Additionally, Ludwig Seyler was uncle to Hamburg’s head of state Hermann Gossler.

Portraits

Gouache portraits from the Napoleonic period depicting Ludwig E. Seyler and his spouse Anna Henriette Gossler were once owned by descendants of their daughter Henriette in Norway and were auctioned via the Norwegian art dealer Blomqvist in 2018. Additionally, childhood portraits of Ludwig and his brothers and sisters, probably dating back to the 1760s, are also known to exist.

See also

• Seyler family
• Gossler family
• Berenberg family
• Berenberg Bank

Literature

• Percy Ernst Schramm, Neun Generationen: Dreihundert Jahre deutscher Kulturgeschichte im Lichte der Schicksale einer Hamburger Bürgerfamilie (1648–1948), Vol. I, Göttingen, 1963
• Percy Ernst Schramm, Kaufleute zu Haus und über See. Hamburgische Zeugnisse des 17., 18. und 19. Jahrhunderts, Hamburg, Hoffmann und Campe, 1949
• Percy Ernst Schramm, "Kaufleute während Besatzung, Krieg und Belagerung (1806–1815): der Hamburger Handel in der Franzosenzeit, dargestellt an Hand von Firmen- und Familienpapieren." Tradition: Zeitschrift für Firmengeschichte und Unternehmerbiographie, Vol. 4, No. 1 (Feb 1959), pp. 1–22.
• Percy Ernst Schramm, "Hamburger Kaufleute in der 2. Hälfte des 18. Jahrhunderts," in: Tradition. Zeitschrift für Firmengeschichte und Unternehmerbiographie 1957, No. 4, pp. 307–332