In some cultures, some jealousy of the husband's family members may be that they are feeling like they have to compete with then or are feeling judged by them.
In other cultures jealousy of this sort is not common.
Hera
She was a very jealous and vengeful goddess so she didn't take it very well. She often tried to prevent the births of Zeus's lovers' children or, if this failed, she would put obstacles in their paths.
Because we often see her jealous when Zeus is off with another women
Hera is the Goddess of marriage so she would be jealous of her husband Zeus's affairs.
Hera was the Greek goddess of women and marriage. She was the wife and one of three sisters of Zeus, the "king" of the gods and thus was the queen. She was a jealous and vengeful goddess, often against Zeus's lovers and their offspring. Her main symbol was the peacock.
A jealous significant is person that is jealous of his/her significant other. For example, a divorced man's new girlfriend may be jealous of the divorced man's former wife because he still thinks of her, or talks about her often.
It because they think no one is good enough for their loved one ... no one is better than another and its all about maturity soon if she really loves her brother she will cut it out and grow up or the other way around its not about sex its about piece of mind
Hera the goddess of marriage.
The evil stepsisters in Cinderella are typically portrayed as jealous and selfish characters who mistreat Cinderella out of their own insecurities and desire for power. Their actions are often driven by their envy of Cinderella's beauty and grace, leading them to act maliciously towards her in order to elevate their own status.
Often, siblings are jealous of each other, because a parent appears to show more attention to one and not the other.
They are sisters. Sisters often have family resemblances.
The fates, often confused with the grey sisters