The phrase "insight of her" is grammatically correct and can be used in written English.
For example, "She has always been a source of great insight to me".
"Melissa was going to give me a little insight of her time with the company.
And the callow 28-year-old Rachel naturally will not have the maturity and insight of her forebear.
She also talks, more casually, but without losing her insight, of her own environment, of growing up in a biracial family and interrogates why she sees herself first and foremost as a black person.
She will make decisions based on the insight of her wisdom and the appropriate protocol and etiquette at work.
In the years to follow, Salomé would become an associate of Sigmund Freud, and would write with psychological insight of her association with Nietzsche.
Even when she (Mary Eileen O'Donnell, in particular, is not 'in' the scene) the mythic insight of her character is responding.
It was intricately understated music, entwining strands of folk, soul, reggae and jazz and following the pained insights of her lyrics with perfect sympathy.
I had many conversations with her, or rather monologues, but this particular one stands out as she imparted the most important insights of her teachings.
It's difficult, even with the insights of her more perceptive siblings, to get at the real Lydia beneath the image her parents have constructed of her.
At the November meeting, Deborah J. Clegg, an assistant professor of psychiatry at the University of Cincinnati, described the insights of her team into understanding the links between obesity, body fat distribution, and postmenopausal breast cancer.
She would often deliver dangerous crosses and create trouble for the teams I was on when we faced her, but that is about the extent of my insight on her.
