While Petunia was a Muggle like her parents, Lily was a Muggle-bornwitch, something Mr. Evans and Mrs. Evans were very proud of. Petunia, on the other hand, was jealous and considered her sister a "freak". Mr. and Mrs. Evans suffered normal Muggle deaths, though the exact causes are unknown; it was sometime before the murder of their youngest daughter in 1981.
Through her elder daughter, she is related to the Muggle Dursley family, and through the younger, to the wizarding Potter and Weasley families.
In 2018, Albus Potter, one of Glenda's great-grandsons, saw Glenda through the Eye of the Worlds. She had glasses semi-oval, much like the half-moon oclinhos of Professor Dumbledore. He had red hair too light, but have been lightened and dark over his age. Albus stared at the dark eyes behind thin glass lenses. She wore a dress just right quite common housewife who has left to shop for vegetables at the fair.