How many presidentail widows remarried?

As of now, only a few presidential widows have remarried after the death of their husbands. Notably, Edith Wilson, widow of Woodrow Wilson, remarried in 1921, and more recently, Betty Ford, widow of Gerald Ford, had a brief relationship with former President Jimmy Carter, though she did not remarry. The practice of remarriage among presidential widows is uncommon, reflecting societal norms and the unique circumstances surrounding their roles. Overall, the number of presidential widows who have remarried is quite limited.