cousin chart

Sibling is a generic term meaning brother or sister, i.e. someone who shares a father and a mother with the person being referenced. Generally, this means that the two people are very closely genetically related, though, in the case of adoption, this isn't necessarily the case. In most world societies, siblings usually grow up in the same household. This closeness usually means they develop intense feelings about one another - whether love or enmity. However, closeness may not always develop in sibling relationships, particularly between siblings ...

Read more here: » Sibling: Encyclopedia - Sibling