Although Henry did not participate in the 1237 campaign against the Pogesanians, the margrave supplied the Order with two large river-boats which defeated the smaller craft used by the Prussian tribes.
Iako Henrik nije sudjelovao u pohodu iz 1237. protiv Pogezanaca, markgrof je Red opskrbio sa dva velika riječna broda s kojima je Red porazio manja plovila koja su koristila pruska plemena.