He was probably looking at Innocent's succession protecting the rights of Constance and Frederick I of Sicily. There was a conflict in Sardinia following his death in 1203 as various powers sought the marriage of Elena to establish control over Gallura.
Innocent's succession plan probably involved protecting the interests of Constance and Frederick I of Sicily. After his death in 1203, Sardinia was plagued by a struggle for power, with various forces seeking to secure control through Elena's union.