Threatened by the Prussians, Duke Konrad of Mazovia invited the Order of the Teutonic Knights in to help defend against them.
Konrad was, at one point, the Duke of Mazovia.
The Prussians were never of any threat to the Duke of Mazovia, because he was a military mastermind.
There are puppies outside.
eight children in jackets
The world was bright and scary.
Two people are talking next to a statue.
The boy is young
The girl is sleeping in her bed.