Kardashian is expected to testify that the marriage should not be annulled and that she did not defraud Humphries into marrying her.
Jenner's expected testimony will also revolve around her daughter's insistence that she did not defraud Humphries.
While Humphries is expected to have up to five witnesses battling on his behalf, a list from his legal team has yet to be filed.
The trial is still set to begin in a Los Angeles courtroom on May 6.
—Reporting by Claudia Rosenbaum
For more on Kim, tune into Ryan Seacrest With the Kardashians: E! News Presents, April 21 at 9 p.m. on E!