Riddle

In my life I must bare, my bloodline I must share. What am I?

Choose an answer

A.A twin
B.A parent
C.A cousin
D.Sibling
Hint: It's a word with 7 letters, starting with "S".

Answer

Sibling

Why this is the answer

A sibling shares a portion of your family bloodline throughout life, whether you like it or not.

This riddle is filed under "What Am I?" Riddles and rated Hard.