In 1400, Anna visited the tomb of Dorothy of Montau in Marienwerder (modern Kwidzyn), and prayed in the churches of Saint Anne in Brandenburg and of Saint Barbara in Oldenburg.
I 1400 besøgte Anna Dorothea af Montaus grav i Marienwerder (nu Kwidzyn), og bad i Sankt Anne kirken i Brandenburg og Sankt Barbara kirken i Oldenburg.