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Design step by steps algorithm on how to write the letter A and display the result
Your daughter's step-sister would be your step-daughter.
Through marriage your step - sister's daughter is your step-niece!
Your husband's step-daughter could be your daughter.Your husband could also have a step-daughter who is the daughter of a previous wife from her prior marriage to someone else. In that case, his step-daughter is not related to you, unless you adopt her.
step grand daughter step grand daughter step grand daughter
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If a man has a daughter from a revious marraige, that daughter is the step-daughter of the second wife, and the second wife is the step-mother of the daughter.
In case a Muslim man establishes sexual relationship with any woman (Married or not married to him or to anybody else), her daughter becomes Haram (Unlawful) for that man. That daughter is like his own daughter.
Step-Daughter
my step granddaughter Unless you are legally an adoptive parent of your step-son in which case she is your grand-daughter.
Step-daughter
There is no relationship, they share no common ancestor.