This reduces the possibility for hostilities, and increases the probability of mutual aid. Traditionally, it has been with one or another of the sets of parents. The couple lives with the groom's family. Residence rules have many consequences. A patrilocal residence rule tends to cause a preference for sons.
Sons are more highly valued than daughters because they stay with the family in which they are born.
Daughters leave, often at an early age. About 1 out of 6 societies have matrilocal residence rules. The couple lives with the family of the wife. Often times this family is headed by the bride's mother's brother - the bride's maternal uncle. In such societies property is often passed down through the mother's side.