Joan Zosimus was the wife of Galian Zosimus, mother of Hugh Zosimus, and grandmother of Stephen and Gavin. After being widowed, she went to stay with her son and daughter-in-law Sibylla. After Hugh died, she remained with the family, helping to raise her grandchildren and later her great-grandchildren, all of whom affectionately called her "Grandmother Joan".

Community content is available under CC-BY-SA unless otherwise noted.