Marriage between cousins is common in Pakistan, and such inbreeding leads to a high incidence of genetic disorders.

近亲结婚在巴基斯坦很普遍，而这种近亲交配引发遗传性疾病的发病率很高。

Now as we mentioned, they were second-cousins, but such a marriage between cousins is hardly unusual for royalty.

正如我们所提到的那样，他们是表亲，但表亲婚姻在王室十分普遍。