There is none. "This is George, my niece's husband." In most families he would referred to as a nephew.
I think it's Uncle by Marriage.
Your nephew's children are your great nieces (girls) and great nephews (boys). You are their great uncle or great aunt, depending on your sex.
You are their aunt or aunt by marriage.
Presuming your son is also your wife's son, the your wife's aunt is your son's great aunt and he is is her great nephew.
Aunt Eila is Toycie's aunt, the sister of her birth mother.
Your husband's nephew is also your nephew, and you are his aunt. Remember that if your father has a married brother, the brother is your uncle and the brother's wife is your aunt , with no mention of one being related by marriage and the other not. They are simply your aunt and uncle. The same applies to your relationship to your husband's sibling's children. You are simply their aunt.
Your husband's mother's sister is your husband's aunt. She is not realted to you.
The children of your husband's sister are your nieces or nephews, and you are their aunt, just as he is their uncle.
You do not have a niece-in-law. Some of your nieces and nephews are that because they are the children of your husband's siblings. They are your nieces and nephews and you and your husband together are their "aunt and uncle."
I think it's Uncle by Marriage.
Edith Van Dyne has written: 'Aunt Jane's Nieces in Society' 'Aunt Jane's Nieces Abroad' 'Mary Louise in the Country' 'Aunt Jane\\\'s Nieces in Society' 'Aunt Jane's Nieces Abroad' 'Aunt Jane's Nieces on Vacation' 'Aunt Jane's Nieces at Millville' 'Aunt Jane's Nieces on the Ranch' -- subject(s): lace, oranges, lemons, ranches, racial tension, Southern California, child care, smuggling 'Aunt Jane\\\'s Nieces Abroad' 'Aunt Jane's Nieces on Vacation' 'Aunt Jane's nieces in society' 'Mary Louise and Josie O'Gorman' 'Aunt Jane\\\'s Nieces Out West' 'Aunt Jane's Nieces at Work' 'Aunt Jane's Nieces' 'Mary Louise' 'Aunt Jane's Nieces Out West'
Aunt Jane's Nieces was created in 1906.
A husband's niece is the daughter of his brother or sister. A wife's niece is the daughter of her brother or sister. In general, the two nieces are not related to each other.The only way the two nieces could be related would be if the husband and wife were related in some way in addition to their relationship through marriage, for example, if they were also cousins to each other.
There is no special term in the English language to describe a relationship between you and your nephew's wife. To her, you are just "my husband's uncle." If she has children with your nephew, they will be your great nephews and great nieces and you will be their great uncle or great aunt.
your grandbablo
Aunt Jane's Nieces Out West was created in 1914.
Aunt Jane's Nieces at Work was created in 1909.