Oh honey, you're barking up the wrong tree here. I'm all about empowerment, not breaking up families. If you want to keep the romance alive, try actually communicating with your wife and showing her some love and respect. Trust me, that's way sexier than trying to seduce her younger sister.
The wife of your brother (younger or older than you) is your sister-in-law.
Your younger brother's wife's sister's daughter would be your son's cousin.
Your younger brother's wife is your sister-in-law. Your older brother's wife is also your sister-in-law. In English, we make no distinction between the two. However, when talking to your sister-in-law you do not address her as sister-in-law. You just call her by her name.
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Astoria Greengrass, the younger sister of his classmate Daphne.
seduce her
Naadini... ನಾದಿನಿ... if younger ಅತ್ತಿಗೆ... attige... if older
He has sis-in-law from romania(he younger brother alan wife).
Zeus' wife's name is Hera. She is the queen of the gods and the goddess of marriage and family.
It is not hard for the right young girl to seduce the right older man. The man just has to be attracted to some aspect of the younger girl.
The wife of your brother is your "sister-in-law" In English, this is true whether the brother is older or younger than you are.
In English, the wife of your brother (elder or younger) is your sister-in-law. If you have a child, she is your child's aunt.