Quantitative information about dietary patterns of modern or archeological humans can provide insight into the lives, status or even moral principles of the individuals. This case study analysed 8 modern humans from different dietary groups and 3 archeological humans, Anna von Igelström (1732-1760), Lady of the Teller chapel (ca 19th century) and a young mummy boy (ca 350-50 BC), to a) differentiate diet groups based on their carbon