I like how all your middle names ground the very flighty first names! My favourites are Nymphaea
Constance, Nymphaea
Gertrude, and Nymphaea
Maud (though this one time, I'd spell it
Maude). I'd tweak Nymphaea
Cecilia a bit to be Nymphaea
Cecily.
masculine list:
https://www.behindthename.com/pnl/191050/124079feminine list:
https://www.behindthename.com/pnl/191050/124080