A sibling is a relative that shares at least one parent with the other person. A male sibling is a brother, and a female sibling is a sister. Somebody...

A sibling-in-law is the spouse of one's sibling, the sibling of one's spouse or the person who is married to the sibling of one's spouse. More commonly...

A savior baby, savior sibling, or donor baby is a child who is conceived in order to provide a stem cell transplant to a sibling that is affected with...

Sibling estrangement or sibling alienation is the breakdown of relationships between siblings resulting in a lack of communication or outright avoidance...

the older sibling. Sibling abuse is the most common of family violence in the US, but the least reported. As opposed to sibling rivalry, sibling abuse is...

taboo to relatives with no consanguinity, such as milk-siblings, stepsiblings, and adoptive siblings, albeit sometimes with less intensity. Third-degree...

Siblings play a unique role in one another's lives that simulates the companionship of parents as well as the influence and assistance of friends. Because...

Sibling rivalry is a type of competition or animosity among siblings, whether blood-related or not. In childhood, siblings generally spend more time together...

Siblings Day is a holiday recognized in parts of the United States and Canada on April 10, and as Brothers and Sisters Day on May 31 in Europe. It honours...

Sibling deidentification is a cognitive identity-formation process that increases the extent to which one sibling (or both) in a sibling dyad defines his...