First Press Edit...
got to the surname...
Make the Change
if this is a person has Both surnames, have to be the same, for one name to apear
Last Name at Birth: change to name
Current Last Name: make same
if the 2 are not the same, it will not come out correct, from there, you can only add a current last name and 1 (other marriage, or name change).
The Last Name at Birth(this is the maiden name), it is what you set first.
once it is all worked out save
All other names are Mentioned in the Bio, highlighted if you wish, and source with the marriage, devorice, and widowed documents, if you have them, and can find them.