Complex sentence: In 1838 the crypt of the St. Sigismund Chapel was rebuilt according to the plans of Franz Hüppmann: the Palatinal Crypt was the burial place of Palatine Joseph and his family.
Split into simpler sentences: In 1838 the crypt of the St. Sigismund Chapel was rebuilt according to the plans of Franz Hüppmann. The Palatinal Crypt was the burial place of Palatine Joseph and his family.