Marcus (named after St. Mark, who was depicted on a coin found in his grave) was a young boy who lived in the city of Eindhoven around 1300 AD

. This skeleton is one of the first skeletons in the Netherlands to receive DNA testing. At that time it was possible to deduce sex (a boy) and population group (northwest Europe or the central Mediterranean region) . The ability to determine hair, skin and eye color was still in the future. His skeleton shows signs of poor health, and he was very small for his age.