She seems to like her cousin Alessio and even gives him to play with her favorite white bunny. Greta is seen to tolerate Leona and Fabiano as well. Nino himself claims in front of Kiara that his niece has a similar character to him. At the wedding of Remo and Serafina she is held for a first time by her uncle Savio and later she allows Nino to hold her too. Greta starts getting used to the other Falcones. The day before the ceremony Greta makes her first steps helped by her father. Five days later she attends her parents' wedding. At the end of the book, it's the twins' first birthday and their first swimming in the pool at the Falcone mansion. Gradually Greta accepts Remo and feels totally safe around him. She is calm around her mother and her aunt Kiara. Greta is shy and wails around people she doesn't know especially men. They always touch each other when sleeping in their shared crib. Greta is described as a cautious kid by her father Remo and resembles her uncle Nino in character. Greta is portrayed to be clinging to Ines and looking a little bit lonely without Serafina while her mother is absent. However, Greta is accepted better than Nevio by Samuel and Pietro.

The Miones and the Cavallaros look down upon the twins. After their birth, their grandmother Ines wishes they were never born. Greta and Nevio's birth is presented from The Outfit's POV. She enjoys practicing ballet and is very talented according to Serafina. Like her aunt, Kiara Falcone, she doesn't eat meat. She is one of the few people able to calm her father, Remo Falcone, Savio compared her to valium in that regard. She has a calm, kind, and quiet personality and is more reserved towards strangers. According to her other aunt, Dinara Mikhailov, she has symmetrical facial features, big eyes, and porcelain skin. When she was a baby, her aunt Kiara described her and Nevio as the most beautiful babies she had ever seen. She is often called 'dollface' by Savio, who claims an evident resemblance between a doll and Greta. She, alongside Nevio, has dark brown almost black eyes and thick black hair that they inherited from Remo as Greta's hair is slightly curly like her uncle Adamo's.

Cora reilly remo and serafina