Consanguinity (" (with) (blood) -ity") refers to the property of being from the same lineage as another person. In that respect, consanguinity's the quality of being descended from the same ancestor as another person. Consanguinity's an important legal concept in that the laws of many jurisdictions consider consanguinity as a factor in deciding whether two individuals may be married or whether a given person inherits property when a deceased person hasn't left a will. The degree of relative con… (More on Consanguineal)