She died in November 1815 , and in 1822 Sigwardt married the widow of Nicolai Lumholtz , Karine Lumholtz .
In 1798 , he married Louise Juliane Catharine Hopstock , a daughter of the priest F. Hopstock .
Louise Juliane Catharine Hopstock died in November 1815 , and in 1822 Sigwardt married the widow of Nicolai Lumholtz , Karine Lumholtz .
In 1798 , he married Louise Juliane Catharine Hopstock , a daughter of the priest F. Hopstock .