 There, in 1561, he published his only known work – a 16-page Latin eulogy to commemorate the death of Katarzyna, the mother of , a fellow Lithuanian student in Tübingen.She was a Protestant.The 244-line eulogy shows Giedraitis' mastery of the Latin language as well as familiarity with classical authors (Theocritus, Virgil) and Greek mythology (Philomela, Niobe, Nestor, etc.