[name_f]Winnie[/name_f] definitely works for [name_f]Elowen[/name_f]. I think the we/win sounds are close enough that it doesn’t make a difference; I wouldn’t have even thought of it if you hadn’t pointed it out. For middle, I would definitely go for something equally soft anf flowy, Immediate thoughts are
[name_f]Elowen[/name_f] [name_f]Juniper[/name_f], [name_f]Elowen[/name_f] [name_f]Aurora[/name_f] and [name_f]Elowen[/name_f] [name_f]Isabelle[/name_f].
Full name for NN ‘Nell’ or ‘Nelly’, to go with sister [name_f]Clementine[/name_f] ‘Clemmie’?