Thanks to member Greg Anderson #47732379 for adding the pix 5.18.19.

Inscription source & attached pix states Hedda born 1846 and Aders born 1835 but death indexes show 1844 and 1834. Per below request from Victoria Regina, I will change to 1844 for Hedda.

Source: Cemeteries in Knox County Walnut Grove Township Compiled by Knox County Genealogical Society. Altona Cemetery Section 2

Illinois, Deaths and Stillbirths Index, 1916-1947
Name: Marie Nelson [Marie Anderson]
Birth Date: 1 May 1844 Birth Place: Sweden
Death Date: 24 Jan 1918 Death Place: Altona, Knox, Illinois
Burial Date: 27 Jan 1918 Burial Place: Altona
Death Age: 73 Occupation: Housewife Race: White Marital Status: M Gender: Female
Father Name: Adam Anderson Father Birth Place: Sweden
Mother Name: Eva Anderson Mother Birth Place: Sweden
FHL Film Number: 1544000

Suggested edit 6/30/2020 from Contributor: Victoria Regina (47154246) •

Corrections from Swedish Evangelical Lutheran Church Records. This reference will show her whole birth family.
Name: Hedda Maria Adamsdotter
Gender: Female
Baptism Age: 0
Event Type: Member List
Birth Date: 1 May 1844
Birth Place: Torpa
Baptism Date: 2 May 1844
Departure Place: Torpa
Arrival Date: 1853
Relation to Head: Daughter
Church: Grace Lutheran Church
Father: Adam Andersson
Mother: Lotta Andersdotter

Source Citation
Archives of the Evangelical Lutheran Church in America; Elk Grove Village, IL, USA; Swedish American Baptisms, Marriages, Deaths, and Burials; Parish: Grace Lutheran Church; ELCA Film Number: A114; SSIRC Film Number: A114
Source Information
Ancestry.com. U.S., Evangelical Lutheran Church in America, Swedish American Church Records, 1800-1947 [database on-line]. Lehi, UT, USA: Ancestry.com Operations, Inc., 2017.
Original data: Baptisms, Marriages, Deaths/Burials (Swedish Churches), Gustavus Adolphus College, Saint Peter, Minnesota, USA.