Wives of 5th Baron Scrope

After searching for evidence of his marriage to Ann Harling I found the following information on Wikepedia. I don't consider Wikepedia to be reliable so I would request help from others on the Scrope tree to verify the folowing;
Abt 1447 marriage to Joan Fitzhugh, daughter of William Fitzhugh.
Abt 1470 marriage to Elizabeth, widow of William LaZouche
Abt 1490 marriage to Anne Harling, daughter of Sir Robert Harling and widow of Sir Robert Wingfield.
Please review these facts and make appropriate changes to the tree.
Scott