What goes with Percival?

I quite like [name]Percival[/name], and [name]Peregrine[/name]. These are my top two twin boy names right now. [name]Peregrine[/name] [name]Leander[/name], or [name]Lysander[/name], and [name]Percival[/name] [name]Horatio[/name] or [name]Valentine[/name]. BUT. What would I name their sister? [name]Lucinda[/name] is an idea, but I dislike how similar it is to the dated [name]Linda[/name]. And [name]Lucy[/name], as a pet name, is rising in popularity.

So.

[name]Peregrine[/name] [name]Lysander[/name]
[name]Percival[/name] [name]Horatio[/name]

sister;…?

Possible middles; [name]Daphne[/name], [name]Georgiana[/name]

Percival’s brother would be Archibald or Reginald.

I love, love Lucinda and everyone loves a Lucy.

I think Imogen would be gorgeous with Percival.

or

Octavia
Hermione
Cecilia/nn Cecile
Eloise
Harriet
Clementine
Dorothea
Anthea
Antonia
Camilla
Nanette
Delia/Delilah
Cassandra
Calista
Helena
Alice/Alicia

I love the suggestions above, especially [name]Clementine[/name].

I would also consider

[name]Adelaide[/name]
[name]Beatrix[/name]
[name]Eleanor[/name]
[name]Florence[/name]
[name]Henrietta[/name]
[name]Iolanthe[/name]
[name]Ottilie[/name]
[name]Madeleine[/name]
[name]Matilda[/name]
[name]Sybella[/name]
[name]Thalia[/name]
[name]Valentine[/name] (as long as [name]Valentine[/name] isn’t [name]Percival[/name]'s middle name)
[name]Wilhelmina[/name]

And if [name]Percival[/name] does not end up being named [name]Percival[/name], I would consider [name]Persephone[/name].

And if you wanted another P name (although I’m not sure about any of these, they don’t have the right softness to me) –
[name]Palomina[/name]
[name]Penelope[/name]
[name]Petunia[/name]
[name]Primrose[/name]
[name]Prudence[/name]

[name]Genevieve[/name]
[name]Isadora[/name]
[name]Cordelia[/name]
[name]Delphine[/name]
[name]Cosette[/name]
[name]Winifred[/name]
[name]Bernadine[/name]/[name]Bernadette[/name]
[name]Magnolia[/name]
[name]Juliette[/name]
[name]Lucetta[/name]
[name]Leonora[/name]