ALBUS
I liked her, Mum. You know that? I really liked her. Delphi. And she was – Voldemort’s daughter?

GINNY
That’s what they’re good at Albus – catching innocents in their web.

ALBUS
This is all my fault.

GINNY takes ALBUS in her arms.

GINNY
How funny. Your dad seems to think it’s all his. Strange pair, you are.

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