Washington (CNN) As House Democrats build their case for impeaching President Donald Trump through a succession of closed-door depositions, a pair of Trump's closest allies on Capitol Hill are quietly offering guidance to the White House lawyers responsible for crafting the President's defense strategy.

Reps. Mark Meadows and Jim Jordan, members of the conservative House Freedom Caucus who have attended the depositions, have been informally helping attorneys in the White House Counsel's office sort through publicly reported aspects of the testimony to the extent they can, according to four administration officials.

The conversations are primarily aimed at helping White House lawyers get a better grasp of the allegations being leveled at Trump and potential weak points as the White House begins to craft a legal strategy to defend Trump during his impeachment trial, two administration officials said.

White House lawyers have not been permitted to attend the closed-door depositions -- a top GOP complaint about the impeachment inquiry -- and people familiar with the matter said the conversations are aimed at helping the White House gauge the seriousness of leaked allegations from the testimony that have painted a damning picture of the President's conduct.

The White House did not respond to a request for comment.

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