Graph showing the percentage of inbred marriages in Potes and Liébana between 1600 and 1850
Graph showing the percentage of inbred marriages in Potes and Liébana between 1600 and 1850
Graph in ten-year percentages of marriages that are consanguineous in relation to the total number of marriages
Graph showing the evolution of consanguineous marriage according to its degrees between the Modern and Contemporary Ages