Answer:
I am a king who's good at measuring stuff.
You are my brother, but I am not your brother. Who am I?
You turn me over after you have travelled far.
Who is your mother's only sister's son's brother's aunt's daughter's sister's father?
To cross the water, I'm the way. For water I'm above, I touch it not and truth to say, I neither swim nor move. What am I?
It flows out of the soil, It burns you if it boils, And holds us in its coils, More valuable than gold, As black as it is old.