Property:Order Shift of Charlemagne

The Order of Charlemagne is the generation number of descent from Charlemagne (747-814), where Charlemagne = 1, his children = 2, his grandchildren = 3, et cetera. In case of multiple descent, the lowest generation number is used, but people may actually be genetically closer to Charlemagne than suggest by their order. This is captured by the "Order Shift". If the order shift = 1, the order is genetically exact. If the order shift = 2, the order is one generation off. If the order shift = 4, the order is two generations off.


 * Type:has type::Number
 * subproperty of (allows search on) subproperty of::Property:person