Giacomo Crispo, Governor of the Duchy of the Archipelago
Giacomo Crispo, Bastardo di Crispo (or "Jacopo"; – 1505) was a governor of the Duchy of the Archipelago in 1494.
He was the illegitimate son of William II Crispo, fourteenth Duke of the Archipelago, by an unknown woman.
He married NN and had a son:
Vincenzo Gonzaga, Duke of Mantua
Vincenzo Ι Gonzaga( 21 September 1562 – 9 February 1612) was ruler of the Duchy of Mantua and the Duchy of Montferrat from 1587 to 1612.
Crusino I Sommaripa
Crusino I Sommaripa( died 1462) was lord of the islands of Paros and later Andros in the Duchy of the Archipelago.
William II Crispo
William II Crispo ("Guglielmo" in Italian; 1390–1463) was the fifteenth Duke of the Archipelago, from 1453 to 1463.
He was the son of the tenth Duke Francesco I Crispo and wife
Fiorenza I Sanudo, Lady of Milos.
Kaya Alp
Kaya Alp was, according to Ottoman tradition, the son of Kızıl Buğa and the father of Suleyman Shah, who was, in turn, the grandfather of Ertuğrul, and the great grandfather of the Ottoman Empire founder, Osman I.
Leopold IV, Duke of Anhalt
Leopold IV Frederick, Duke of Anhalt (1 October 1794 – 22 May 1871) was a German prince of the House of Ascania.
From 1817 until 1853 he was ruler of the duchy of Anhalt-Dessau and from 1847 until 1853 also ruler of the duchy of Anhalt-Köthen.
From 1853 until 1863 he was the ruler of the joined duchy of Anhalt-Dessau-Köthen and from 1863 the first ruler of the united duchy of Anhalt.
Gian Giacomo Crispo
Gian Giacomo Crispo( 1446–1453) was the fourteenth Duke of the Archipelago, etc., from 1447 to 1453, son of the thirteenth Duke Giacomo II Crispo and Ginevra Gattilusio.
Antonio Crispo, Governor of the Duchy of the Archipelago
Antonio Crispo( died after 1505) was a governor of the Duchy of the Archipelago between 1496 and 1505.
He was the son of Giacomo Crispo.
He married NN and had a son:
Antonio Crispo, Governor of the Duchy of the Archipelago
Antonio Crispo( died after 1505) was a governor of the Duchy of the Archipelago between 1496 and 1505.
He was the son of Giacomo Crispo.
He married NN and had a son:
Duchy of Estonia
The Duchy of Estonia may refer to:

Question: Who is Giacomo Crispo, Governor Of The Duchy Of The Archipelago's paternal grandfather?
Answer: Francesco I Crispo