There's actually no such language as Swiss. Switzerland has 4 official languages: German, French, Italian, and Romansh. Please specify which language you want to translate into.
Your niece's daughter is your grand niece, or, as some would say, your great niece.
ma nièce my niece
in spanish niece is sobrina
"your are welcome my beautiful niece"
My bother/ sisters child. or my friends niece. it was her niece. I you don't have a niece just never say the words I have a niece.
Your niece's daughter is your grand niece, or, as some would say, your great niece.
Yeğen = niece or nephew (can be used for both) kız yeğen = niece erkek yeğen = nephew
her niece is translated 'sa nièce' (fem.) in French.
In Farsi, niece is "دختر خواهر" (dokhtar-e khâhar).
ghone
Your granddaughter is your brother's grand niece (or some would say, great niece).