You would be the Aunt or Uncle.
Lux is like a baby sister to Harry. He loves her dearly!
yes, it will show your sister how to take care of a infant and it will help you gain a quality relationship with her
Agnes Crumplebottom got into a relationship with her sisters husband. They had a baby and Agnes's sister found out!
He had a good relationship with his sister
If it was a boy then he would be your sons half brother and if it was a girl she would be your sons half sister.
You sister-in-law is your son's aunt. the relationship consider age diff.if she is lower age what is his relationship.
Baby Sister was created in 1985.
The mother or sister of the young woman expecting a baby can have a baby shower if they like. Often it is a sister that can arrange a baby shower and your sister will probably have another baby shower at work or by one of her friends.
Your husband's sister is your sister in-law.
Baby Mario and Baby Peach are not brother and sister. They are just Mario and Peach as babies.
Your Mother's Sister Is Your Aunt.
Your sister's daughter is your niece.