It is the marriage b/w children of siblings of same sex i.e marriage of offspring of persons of same gender of same generation having common parents.
Types
- Paternal Parallel Cousin Marriage – m’age with father’s brother’s daughter
- Although parallel cousins m’age are very rate, even among them Paternal parallel cousins m’age are common.
- Maternal Parallel Cousin Marriage – m’age with mother’s sister’s daughter
Example – prohibited in 80% to 85% of societies of world due to rules of incest.
- Largely confined to Arabic World.
- Also found in Central Indian Tribes
Reason – As in pastoral life, conflict b/w group & theft of animals common ; so such m’age
- by consolidating the group – ↑ survival of groups
- Economic pragmatism
- Retention of purity of blood
