I am interested in a source too. I am just posting whatever I find right now for reference.
https://canadafreepress.com/article/why-is-nancy-pelosi-taking-another-one-of-her-signature-junkets-to-meet-top
Tom Fitton in 2009: Nancy Pelosi ‘Repeatedly’ Brings Family Members on Military Airplanes
https://www.youtube.com/watch?v=cYEkUNJHh7Q