In 1786, he held the rank of Staff Captain. In 1791, he was involved in a conflict between his superior and a foreigner, which resulted in Zeydlitz being arrested and imprisoned for half a year for falsely accusing the foreigner.
In 1786, he held the rank of Staff Captain. In 1791, a conflict arose between him and his superior and a foreigner, leading to Zeydlitz's arrest and imprisonment for false accusations against the foreigner.