So it is not safe to marry the daughter. If the step mother & her sister are not genetically closely related to your Mother or your Father, her g.
Each step has to be considered on its own merit and as part of the whole. To consider the The daughter of my mother's sister would be my mother's niece. 3.
A stepfamily, blended family, or bonus family, is a family where at least one parent has children A child is referred to as the stepchild--stepdaughter or stepson--of their biological parent's new spouse A step-uncle is the spouse of someone's parent's sister (aunt) or brother (uncle) and is not the father of someone's cousin.