抄録
The frequency of consanguineous marriage is 20.2% or 147 couples among 726. Out of these 147, 68 are marriages between cousins, 10 between children of cousins and cousins, and 69 between second cousins.
Husbands and wives consanguineously marrying into the families in Miwa Village mostly originate from the same village (74.7%). Only 1.4% of them come from places outside the Upper Ina Valley. The range of mating is in the average much narrower in consanguineous marriage than otherwise.
In this district there was found no indication of decrease of consanguineous marriages. It appears to have increased since 15 or 20 years, as is shown by the following table:
Husband or widower
Wife or Widow
