As of Saturday, 224 members of the House of Representatives said they supported an inquiry after learning that a whistle-blower’s complaint accused the president of pressuring a foreign leader to investigate the family of Joe Biden, a Democratic presidential candidate.

[How the impeachment process works.]

Only 12 Democrats, including Mr. Rose, were undecided on an inquiry. No Republicans supported an investigation.

The following three New York City lawmakers show a cross-section of positions , and approaches, on the issue:

Representative Jerry Nadler, Manhattan: As chairman of the House Judiciary Committee, Mr. Nadler could play a leading role in the impeachment process.

The committee conducted an impeachment inquiry hearing this month that included testimony from Corey Lewandowski, a former Trump campaign manager. But Mr. Lewandowski refused to provide new details about his encounters with Mr. Trump . Critics said Mr. Nadler mishandled the hearing and did little to change the opinions of his colleagues, or the public, on the issue.