Sibling rivalry

Sibling rivalry is a type of rivalry among siblings, blood-related or not. The likelihood of sibling rivalry is more if the siblings are of the same sex.

Origin of sibling rivalry

 * Constant comparision of the siblings by parents
 * Competition for time, attention, love and approval of parents
 * Jealousy

Consequences

 * Sibling rivalry can cause family problems and hurt the children's relationship with their parents.

Famous sibling rivalry instances

 * Cain and Abel from the Bible -- the sibling rivalry resulted in Cain killing Abel
 * Asha Bhosle and Lata Mangeshkar are on friendly terms now, but during the zenith of their careers, they were huge rivals. See Asha_Bhosle