DRACO
Hermione and Harry have done nothing wrong but try and protect us all. If they’re guilty, then I am too.

HERMIONE looks across at her cohort – moved. RON joins them on the stage.

RON
Just to say – I didn’t know about much of it so can’t take responsibility – and I’m pretty sure my kids had nothing to do with it – but if this lot are standing up here, then so am I.

Harry Potter and the Cursed Child - Chapter 4 :
See this quote in the Pensive -