which of the relationships do you value the most?

I think it goes in this order: Parent-child, Husband-wife, Brother-sister, because first and foremost your baby is the most important and top priority in your life, so the relationship should be strongest. Secondly, you are married and have vowed to take care of eachother, so after the baby, your personal and closest relationship is the marriage. Then, siblings and family members have their own life but they are always there and can always depend on you, so that relationship comes next.

parent-child

This is a hard one to decide on....I value all of them with all my life..But,if I had to choose someone over someone else it would have to be my children..

I think there isnt answer for your question. All of this realtionships are valuable in different ways. For me it may be parent-child, for you it may be brother-sister. Its different.

i think each relationship has its own value on its place .you cant compare them with each other.although its your choice that whom you give priority or what you feel about these relationships.