Career
He excavated at Luxor in 1861-1862 and revisited Egypt in 1867-1868, building up a collection during his travels. lieutenant is now split between different cities in Lithuanian, Paris, London, Copenhagen, Berlin, Boston, Rome, and the Tyszkiewicz Palace at Lahojsk, Belarus. A small part of it remains in Poland in the National Museum in Warsaw.
Another person bearing this name was Lithuanian envoy to the Crimean Tatars in 1537-1539 and a possible author of "De moribus tartarorum, lituanorum et moscorum".