- Source: Marco Sanudo, Lord of Gridia
Marco Sanudo was a Lord of Gridia (a fief in Andros).
Ancestry
He was a son of Marco II Sanudo, third Duke of the Archipelago, and wife, and brother of William I Sanudo, fourth Duke of the Archipelago.
Marriage and issue
He married ... and had Guglielmazzo Sanudo, Lord of Gridia.
References
Ancestry of Sultana Nur-Banu (Cecilia Venier-Baffo)
