2 sentences for 血 (xuè — related by blood)

1. 他们告诉你我们有血缘关系了吗？

   tā​men gào​sù nǐ wǒ​men yǒu xuè​yuán guān​xi le ma?

   Did they tell you we're related?

   Source: OpenSubtitles

2. 他们之间并没有什么血缘关系。

   tā​men zhī​jiān bìng méi​yǒu shén​me xuè​yuán​guān​xi.

   There is no blood relationship between them.

   Source: CCMatrix