Opening lines of my Musical 'Eleanor'

[Aubrey Pedersen]

Just because I'm so terribly insecure about myself...someone tell me what they think of the opening of my musical?
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Act I Scene I

Open at Poitiers Castle, a scene with a window and stair behind that. Enter Eleanor and Petronilla stage left.

Eleanor: pulling Petronilla’s hand Hurry, Petra! Grandmere is certainly right behind us.

Petronilla: Oh, Eleanor, you are wicked! What of our lessons?

Eleanor: They’ll keep, for now.

Grandmere: off-stage Eleanor! Petronilla! Where are you?

Eleanor: Up the stairs, hurry!

Both girls exit up the stairs behind the window as Grandmere enters from the left

Grandmere: Eleanor! Petronilla! You have lessons to attend to!

Enter Madame Catherine from stage right

Madame Catherine: Is something wrong, Madame?

Grandmere: Oh, Catherine, have you see Eleanor and Petronilla?

Madame Catherine: Oui, Madame. Just this morning, I saw them both studying out in the garden.

Grandmere: No, no, I mean recently.

Madame Catherine: Recently? I am afraid not.

[Angelique]

Not bad - it's establishing the characters of Eleanor and Petronilla and it gets the audience's interest. But I'm a little confused about Catherine, who is she? (a servant, another lady of the house...)

[Aubrey Pedersen]

She's a kind of a lady in waiting type of person.