Death dates for Dorothy Zink, née Graham, of the Garahm of Esk Baronets, and her mother, who after divorcing Dorothy's father married Dorothy's uncle.
Burke's lists no death date for Dorothy, and no dates at all for her mother. Her mother is buried with her second husband, Dorothy's uncle Carl.
Dorothy P Graham Zink
Birth
1920
Canton, Stark County, Ohio, USA
Death
2 Dec 1970 (aged 49–50)
Canton, Stark County, Ohio, USA
Burial
North Lawn Cemetery
Canton, Stark County, Ohio, USA
https://www.findagrave.com/memorial/43149795/dorothy-p-zinkPearl M Brownewell Graham
Birth
21 Feb 1901
Canton, Stark County, Ohio, USA
Death
24 Jan 1973 (aged 71)
Canton, Stark County, Ohio, USA
Burial
North Lawn Cemetery
Canton, Stark County, Ohio, USA
https://www.findagrave.com/memorial/43148942/pearl_m-grahamAs for Dorothy's father, Donald Bruce Graham (1898- ): there is a Donald B Graham, born 1898, died 1982, also buried in Ohio, but I cannot determine whether he is the same man.
https://www.findagrave.com/memorial/119962445/donald-b-graham