Sister for Ottilie and Gus (Magnus), any ideas?

[ruralmother]

Hello,
Absolutely stuck for a girls name to go with our daughter Ottilie, if it is a boy then Magnus is already decided.
All ideas welcomed!

Penelope
Juliet
Genevieve

Sorry Arrietty, as in from Mary Norton's books The Borrowers. Have always loved the name and never met anyone called by it.

Fleur

Felicity
Cecily

Cleo
Pearl
Jemima
Eliza
Lila
Norah
Mabel

Ainhoa
Beatrice
Cornelia
Darcy
Eleanor
Francesca
Gretl
Hermione
Isla
Jemima
Katerina
Louisa
Mireille
Naomi
Ophelia
Poppy
Ruth
Serephina
Tatiana
Ursula
Verity
Xanthine
Zoe

Tisiphone

Florence, Eleanor, Helena, Winifred