Leonhard Lechner (1553-1606) grew up in the Alto Adige region of what is now Italy, and in his youth was a choirboy under Lassus in Munich. As a composer he was much influenced by Lassus.
He was quite prolific, producing both sacred and secular works and was much influenced by Italian music: he composed proper madrigals with Italian texts, and German songs in a very Italian style.
Harmonically speaking, he was the most advance German-speaking composer of his time.