My sister has a little androgynous bun in the oven and has asked me to post her shortlist for your derision.
Boys:
Gilbert (shortened to Gil)
Josiah
Edwin (shortened to Win)
Roald (Pronounced ROH-all not "Rolled")
Rudyard
Girls:
Arabella
Leonora/Leontine (shortened to Leo)
Adela
Christabel
Any thoughts/suggestions welcome.