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Early Republic

Gustav Blersch House

San Antonio, Bexar County, Texas

Marker Inscription

This house is one of three standing Antebellum structures in the King William Historic District. Gustav Blersch, a German immigrant, importer and retail dealer, built this two-story limestone home in 1860 with designer Gustave Freisleben and contractor John Hermann Kampmann. Blersch sold the property to banker James T. Thornton in 1871. The Thorntons enlarged the house, adding a two-story rear wing and bay window. From 1883 to 1905, the home was owned by numerous families. In 1905 it was purchased by William Clarkson. Porches were enclosed and a sleeping porch added c. 1920. In 1948 the home was sold to cousins, the Watson family, who continue to care for this historic structure. Recorded Texas Historic Landmark - 2011

Erected by Texas Historical Commission

The Story

German immigrant and importer Gustav Blersch built this two-story limestone home in 1860, making it one of only a handful of surviving antebellum structures in San Antonio's King William Historic District. Working with a German designer and a noted local contractor, he created a house that a series of later owners — bankers, families, and finally the Watson cousins — enlarged and carefully preserved. Additions over the years, including a bay window and enclosed porches, layered a century of domestic life onto the original.

Why it matters

The house testifies to the German immigrant merchants who helped build antebellum San Antonio and to the enduring architectural heritage of its King William district.

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  • · Gustav Blersch
  • · John Hermann Kampmann

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Nearby & related markers

King William Neighborhood

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The King William neighborhood grew on farmlands once tilled by Mission San Antonio de Valero — the Alamo — that were distributed to residents after the Spanish government secularized the mission in 1793. Subdivided in the mid-1800s, the area drew many German immigrants fleeing political and economic turmoil, and it took its name around 1866 when Ernst and Emma Altgelt honored Wilhelm I of Prussia. Later arrivals, including Mexican families displaced by the 1910 Revolution, added to a neighborhood now prized for the richest, most intact collection of historic architecture in San Antonio.

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Alfred Giles, born in England in 1853, trained as an architect's apprentice in London before moving to Texas for his health in 1873. Settling in San Antonio, he opened his own firm in 1876 and designed grand residences for the city's leading families along King William Street. In 1883 he built two modest homes at 306 and 308 King William, living in the latter and later giving it, remodeled, to his daughter as a wedding gift.

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Oscar and Rachel Berman House

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