Nothing.
Barbara is the mother of your daughter's mother. That means that you are married to Barbara's daughter..which makes you her husband. Therefore you are the son-in-law of Barbara. You could also be Barbara's daughter. Barbara is the grandmother.
that depends on if the mother has custody over her daughter or not. It also depends on how old the daughter is. If she is under the legal age limit, then the mother is still responsible and makes all decisions for her. If the mother does not have full custody over the daughter, then the mother and the father of that child must come to an agreement on the living whereabouts of the daughter. If the mother has legal custody over the daughter and the daughter is not of legal age yet, then yes, the mother can bring the daughter over too.
You and your mother's brother are first cousins. There is a generation difference between your son and the daughter. That makes them first cousins once removed.
Sister. Obvious in the real world, so the question does not arise. The question makes an interesting riddle, though.
Your mother's son is you or your brother. Your mother's son's daughter is your daughter, or your niece. Your mother's son's daughter's mother is your wife, or your sister-in-law.
Aunt.
You are the mother-in-law of Sho Nishino. If your daughter is married to Sho, that makes you his mother-in-law. If you are referring to a different relationship context, please clarify.
This question is inconclusive it has no correlation or form of obtaining an answer.
If Tara's daughter is your daughter's mother, and you are a woman, you are Tara's daughter.
In this example, the friend's name is Irma Gomez, the daughter's name is Soheil. Introductions have two parts. Start with the older person. Mother says, "Irma, I would like you to meet my daughter, Soheil." Then Mother turns to Soheil and says the second part. "Soheil, this is my friend Mrs. Gomez." Give Soheil the name you want her to call your friend. So if you want Soheil to call her "Miss Irma," you would say, "Soheil, this is my friend Miss Irma."
Mike Yardner, played by Michael Learned. From the 1973 Gunsmoke episode, "Matt's Love Story" and the 1990 TV movie, "Gunsmoke: The Last Apache", when Matt learns he has a daughter.
Yes, a grandmother is a mother. A mother to her daughter. She is grandmother to her daughter's children.