Ooh, I quite like all three of those options with her sibling’s names! Especially Elodie!
Some more ideas…
Abby, Adele, Alice, Analisa/Analise, Aubrey, Audrey, Avril
Bella/Bella, Blaire, Bree/Brie, Bridget/Brigid, Briell, Brynn
Dahlia, Daisy, Daphne, Delilah
Eden, Edie, Edith, Elin, Eliza/Liza, Ella, Ellie, Eloise/Louise/Loisa, Elsa/Elsie, Emilia, Emily, Emma, Emmy, Emmeline,Emery, Esme, Estelle/Stella, Eve/Eva/Evie, Evelyn, Everly
Felicity, Fleur, Freya
Gemma, Georgia/Georgina, Giselle, Grace, Greta, Gwen/Gwyneth
Hadley, Hallie, Hannah, Hazel, Holly, Hope
Iris, Ivy
Liesel, Lily, Lillian, Lilith, Lucia, Lucille, Lucy, Lydia
Madeleine, Marigold, Marjorie, Matilda, Meredith, Myrtle
Noelle
Opal
Pearl, Phoebe
Rachel, Raina/Rayna, regina, Robin, Roslyn, Ruby, Ruth
Sabrina, Sadie, Sage, Scarlet, Selena, Shayla, Sienna, Sloane, Sydney, Sylvie
Tahlia
Valerie, Veda, Vienne, Violet, Vivian/Vivienne
Willow, Wren
Zoe