Riemann

Goodnight everyone,

Someone researching Riemann?
I am looking for information about:

Elisabeth Maria Henriette Riemann, born around 1753, perhaps in Sommersdorf, daughter of Johann Heinrich Riemann and Catharina Elisabeth Künnen.She married Peter Johann Andreas Müller in Helmstedt in 1779, and died in 1839.

Catharina Elisabeth Riemann, born Künnen, about 1719 and died in Helmstedt on April 13, 1839.

Catharina Elisabeth Riemann, born Kuennen, born about 1719(possibly was born and married in Sommersdorf).and died in 1792 in Helmstedt.
Johann Heinrich Riemann, bornabout 1715, possibly in Sommerdorf or nearby, and died after 1779.

Greetings

Carlos Henrique Müller
Searching Müller, Riemann, Künnen, Niemann, Grote, Schmidt, Strohbach
Helmstedt, Magdeburger Börde