"Charles Louis Howard was born on 1st October 1785 in Bern. He was the fifth child of Joseph Hauert, a member of the important Swiss piano maker family.
On 22th June 1826 he married Maria Catharina Huber (1801 – 1829) who died at birth with her first son. On 22th October 1831 he married Rosina Catharina Kannkamp (1801 – 1847). After her death he married Elise Borle (1826 – 1869) on 10th July 1849. This marriage also remained childless.
Together with Carl Christoph Kützing he founded the company Howard & Kützing. He died on 27th March 1863." - https://www.ericfeller.de/en/instrumente/charles-louis-howard-ca-1825/, 31.07.2022
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