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
Step-daughter
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.
Step-Daughter
my step granddaughter Unless you are legally an adoptive parent of your step-son in which case she is your grand-daughter.
There is no relationship, they share no common ancestor.
he doesnt have a step daughter but he has a adopted daughter named, Alaina that is actually his ex wife's niece.He also has a biological daughter, Hailie Jade Mathers.
step-grandaughter
your step son in law it like the same thing as a son in law except its your step daughter's husband.