She died shortly after Mary Anne was born. Mary Anne doesn't remember her at all.
Alma and Richard didn't have any other kids.
Alma's parents live on a farm in Iowa, where she was presumably raised. After Alma's death, Mary Anne, then a toddler, lived on the farm for about a year while her father dealt with his grief.
Not much is known about Alma. Mary Anne was five months old when Alma died. Sometimes Mary Anne is mad at Alma for dying. Alma grew up in Iowa. Alma used to rock Mary Anne all the time. Alma looked just like Mary Anne. She was very skinny with medium length hair. She died shortly after her diagnosis.