0 a child of your stepfather or stepmother with another person who is not your parent:
Such a "step-sibling" situation is very common and has tensions of its own, with difficulties that are transferred into schools and elsewhere.
The long-separated step-siblings fell in love and began a partnership.
They were step-siblings, but they truly cared for one another.
The two do not develop a good relationship as step-siblings, and the idealization brings them to many personal problems leading them to love.
But she always visited her step-siblings and the other members of the royal family.
Shortly thereafter, she received a new step-parent and two step-siblings.
She was very trusted by her father of taking care of her step-siblings.
He has two half-siblings and three step-siblings.