Question: Who is Gisela, Abbess Of Chelles's paternal grandfather?
Sentence (from "Gisela, Abbess of Chelles"): Where he wrote personal poem's for each of the king's [Charlemagne's] children, he also wrote one for Gisela, in which "Alcuin hailed her as a noble sister in the bond of sweet love, assuring her of her prayers of the brethren at Tours."
Relevant evidence: No