/// <summary>
/// Performs the business logic for updating the natural siblings of a child.
/// </summary>
public static void UpdateSiblings(PeopleCollection family, Person child)
{
foreach (Person p in child.NaturalParents)
{
foreach (Person c in p.NaturalChildren)
{
if (c != child && !family.Current.Siblings.Contains(c))
{
RelationshipHelper.AddExistingSibling(family, family.Current, c);
}
}
}
}
