Be a legal adult with a steady job and stable home, and work with a lawyer to show a judge that you are the best of the available choices as custodian for that child.
No. A sibling has no authority to grant custody of anyone to anyone. Only a court can grant legal custody.
niece
Your spouse's sibling's son.
The son of either your sister or your brother is your nephew. The English language does not make a distinction in that.
Well either you had a child with your sibling or with your spouse's sibling.
If your nephew has a female first cousin, she could be:your daughteryour niece (daughter of your sibling who is not the parent of the references nephewunrelated to you (daughter of a sibling of the nephew's other parent, the one who is not your sibling)The possibilities are more numerous and complicated if you are talking about your nephew's second, third cousin, etc., or cousins once, twice, or more removed.
Your nephew is the son of your sibling and a first cousin of your childrenYour grand nephew (or great nephew) is the grandson of your sibling and a second cousin of your grandsonYour great great nephew (or great grand nephew) is the great grandson of your sibling and is a 2nd cousin once removed of your grandson
Nephew.
Your uncle's nephew may be either a sibling or a cousin or yourself.
yea
Your nephew's first cousin may or may not be related to you, depending on how the cousin is related to your nephew. Your nephew's cousin may be your child, or the child of one of your brothers or sisters. Your nephew is related to you by being the son of your sibling. That sibling has a spouse who may also have borthers and sisters. The children of any of those brothers and sisters are also your nephew's first cousins, but are not related to you.
If you have a niece or nephew, it is their daughter.