I have found about a dozen of these for my own extended  family on Ancestry.  They are called Family Groups. 

From Google:
Definition A family group record is created to show at least the names of the husband, wife, and children of a family. Most family group records also show birth, marriage, and death information, additional spouses (if any) of the parents, and children's spouses.

The family group records I have seen usually include the source of a particular piece of information.  You can see if the source is as good as the one you have. If it is better than yours you have gained something.  My experience is that the family group record has something like an immigration date taken from a census while I have the ship's manifest itself.  Rather than being disturbed, I offer to send the person a link to the document. 

David Rosen
Boston, MA