BOE's Hogg Steps Down After Parliamentary Criticism

Charlotte Hogg resigned as deputy governor of the Bank of England after lawmakers criticized her for not disclosing her brother's job at Barclays and for comments related to Brexit. Although she did not directly oversee Barclays, she was on a committee that did. The Bank of England confirmed her resignation in an email statement.

In what capacity was Charlotte Hogg involved with the banks?

What was the source of the comments regarding Charlotte Hogg's resignation?