Answer:
Passed from father to son and shared between brothers, its importance is unquestioned though it is used more by others.
What instrument can you hear but never see?
Maritime marauders
Women don't have and don't want it. Men get it but sometimes they try to get rid of it. What is it?
A standard dimension for sandwiches and rulers
I touch the Earth, I touch the sky, but if I touch you, you’ll likely die. What am I?