ALBUS
No. This is stupid. Where’s Rose? She’ll tell you that you’re being ridiculous.

HERMIONE
Who’s Rose? Your invisible friend?

ALBUS
Rose Granger-Weasley! Your daughter! (He realises.) Of course... because you and Ron aren’t married Rose—

There’s giggling.

HERMIONE
How dare you! Fifty points from Gryffindor. And I assure you if anyone interrupts me again it’ll be a hundred points...

Harry Potter and the Cursed Child - Chapter 2 :
See this quote in the Pensive -