Hardly one among them believed in the cousinship.

他们当中几乎没有人相信表亲关系。

Cousinship had limits but no one knew enough to fix them.

近亲关系有局限性， 但没有人知道如何解决这些局限性。

" How long did you reside with him and his sisters after the cousinship was discovered" ?

“表亲关系被发现后，你和他以及他的姐妹们住了多久”？

Don't shut yourself out of it by presuming too much, for you have no claim on me but that of cousinship, and you never will have unless you earn it.

因为除了表亲关系之外， 你对我没有任何要求， 除非你赢得它， 否则你永远不会拥有。