my Information i send to you are also from the book "Geschichte der Stadt Tondern bis zum dreißigjährigen Krieg" (History of the city of Tønder until the 30-years war (1627)) by Ludwig Andersen from 1943, page 279 - 281. I will send this pages by e-mail to you.
I think there are two Andreas (Anders) Momsen.
Number one Andreas was born 1512 in Klægsbøl an died 1559 his spouse is Margrethe Thomasdatter he is son of Momme Andersen.
Thesecond Andreas Mommsen is married with Kirstine. His father is Momme von Andersen. The father of Momme is the ennobeled Anders Sönnicksen. His son is Broder von Andersen Born <1557 died >1621. His spouse is Dorothea Froddesen. The Froddesen are my ancestors.
You can check this on the home page ofNis-Edwin List-Petersen