Your daughter's daughter is your grand daughter.
Your nephew's daughter is the granddaughter of your sibling (your brother or sister)
The grandchildren of siblings are second cousins.
Your niece and your daughter are first cousins. Your daughter and the daughter of your niece are first Cousins, once removed.
They are second cousins
Tiffany is her only daughter. She also looks after Whitney, but they are not related.
Absolutely not-- Joan has said countless times that she wishes she had a daughter...... that she has many "adopted" daughters. but NO daughters---- real or adopted.
You should write daughter's if you are talking about one daughter, e.g. "it is my daughter's birthday tomorrow".You should write daughters' if you are talking about more than one daughter at the same time, e.g. "this is our daughters' bedroom, which they share".
Daughter of the Sea Monster, Daughter of the Yeti, Daughters and Son of the Werewolf, Son of Medusa, Daughter of the Pharoh, Daughter of Dracula, Daughter of Frankenstein, and Daughter of the Zombies. You can look up the rest in the related link.
Daughters of one (or both) the same parents are either sisters or half sisters.
The correct plural possessive form for "daughter's" is "daughters'."
The plural of daughter-in-law is daughters-in-law.
In a haplodiploid system, mother and daughter are closely related because daughters inherit all their genetic material from their mother. This results in a higher genetic relatedness between mother and daughter compared to other systems.
The plural form of the noun daughter-in-law is daughters-in-law.The plural possessive form is daughters-in-law's.Example: Both of my daughters-in-laws degrees are in education.
Some nieces of sisters are related to each other and some are not. Your niece is the daughter of your brother or sister (your siblings). If you have more than two siblings and at least two of them have daughters, those daughters are your nieces and they are first cousins to each other. You can also have a niece who is the daughter of a sibling of your spouse. If two sisters have nieces who are daughters of their spouse's siblings, those nieces are not related to each other (unless the spouses are related to each other, as when two brothers marry two sisters)