No, none of the Weasley children killed anybody. Augustus Rockwood, the person who killed Fred, was defeated by Aberforth Dumbledore.
they are fictional character, who never use phone (their brother Ron tried once, but he was shouting too loudly, so it didn't go well)
Ron's relationship is brother-in-law with Harry and very good friends. Ron has six siblings. Bill, Charlie, Percy, Fred, George, and Ginny.
The twins' joke shop was named Weasley's Wizarding Wheezes.
Arnold the pgymy puff she buys in in Fred and Georges shop
An assortment of things, such as puking pastels, nosebleed nougat, and such other weasley wizarding wheezes.
no...his brother is jaxon
Arthur and Molly Weasley have seven children. Bill, Charlie, Percy, Fred, George, Ron, and Ginny.
After Fred Weasley's death in "Harry Potter and the Deathly Hallows," George struggled to cope with the loss of his twin brother. He continued to run their joke shop, Weasleys' Wizard Wheezes, but the absence of Fred weighed heavily on him. Eventually, he found solace and purpose in honoring Fred's memory by keeping the shop alive and contributing to the fight against Voldemort, while also cherishing the happy moments they shared. George later married Angelina Johnson, further helping him to heal and move forward.
Ginny buys a Pygmy Puff (a small, fluffy pink magical creature) from Fred and George's shop, Weasleys' Wizard Wheezes.
Fred Whitaker
Not during the series, no. However, she nearly died after narrowly avoiding a killing curse sent by Bellatrix Lestrange. She later married Harry Potter and they have three children: James Sirius, Albus Severus and Lily Luna Potter.
Weasley: Because it was made by the Weasleys Wizard: Because they were wizards and the items in their shop were magical Wheezes: Some things made you laugh or sneeze uncontrollably