"My wife's niece or nephew"
Hi, in simple words, you could say it's your niece or nephew too; not necessary to be your wife's niece or nephew.
no
Federigo di messer filoppo alberighi monna giovanna monna giovanna's son
varies from a cup of ghee to your first born son, depending on market conditions
There a characters written many years ago that mentioned His successor was His 13 year old son.
You should consult your son, on the specs his new computer needs to have. Then the two of you can check out www.newegg.com. You can also check www.tigerdirect.com.
granddaughter
You would call your sister's son your nefu and her daughter neice.
You would call your daughter's son by his name ex: Hi Jack.
His name.
Your sister's daughter's son would be your grandnephew.
Your daughter is your sister's niece. Your daughter's son is her great nephew.
nephew
daughter...daughter in law.
Your younger brother's wife's sister's daughter would be your son's cousin.
Your grandson.
nephew!
Your cousin.