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.
Antonio I Ordelaffi
Antonio I Ordelaffi (c. 1390 – August 4, 1448) was lord of Forlì from 1433 to 1436 and again from 1438 to 1448.
He was a member of the noble family of Ordelaffi.
The son of Francesco III Ordelaffi (best known as Cecco III or II), at the latter's death (1405)
he was first imprisoned and the exiled to Venice by the Papal legate Baldassarre Cossa.
In 1411 he returned to Forlì as co-lord with his cousin Giorgio, but he was again imprisoned in Imola where he remained until 1424, when he was freed by the Visconti of Milan.
Giorgio had died in 1422, but Forlì was returned to the Papal States.
Eleven years later a popular revolt ousted the Papal governor, and Antonio could take possession of Forlì.
Allied with the Visconti then in war against Pope Eugene IV, he managed to gain Forlimpopoli and other castles, but the peace between Rome and Milan stripped him off of all them.
In 1436 he was also forced to cede Forlì to Francesco Sforza, and went to exile in Ferrara.
Two years later he regained the seigniory and maintained it despite the attacks of Papal-Visconti condottieri like Niccolò Piccinino and Sigismondo Pandolfo Malatesta.
In 1447 he was recognized papal vicar of Forlì.
He married Caterina Rangoni of Spilamberto.
After his death during a plague, she held the lordship with her brother Ugo Rangoni (1449–1454).
Francesco IV Ordelaffi
Francesco IV Ordelaffi (1435–1466), also known as Cecco IV, was lord of Forlì from 1448 until his death.
He was a member of the Ordelaffi family.
The son of Antonio I Ordelaffi, he succeeded him at Forlì in 1448, under the regency of his mother Caterina Rangoni and, after her death the following year, of her brother Ugo Rangoni.
The latter was expelled in 1454 and thenceforth Francesco reigned jointly with his brother Pino III Ordelaffi until his death.
Fujiwara no Nagara
, also known as Fujiwara no Nagayoshi, was a Japanese statesman, courtier and politician of the early Heian period.
He was the grandfather of Emperor Yōzei.
John Westley
Rev. John Westley( 1636 – 78) was an English nonconformist minister.
He was the grandfather of John Wesley( founder of Methodism).
Prithvipati Shah
Prithvipati Shah( ?–1716) was the king of the Gorkha Kingdom in the Indian subcontinent, present- day Nepal.
He was the grandfather of Nara Bhupal Shah.
Lyon Cohen
Lyon Cohen( 1868–1937) was a Polish- born Canadian businessman and a philanthropist.
He was the grandfather of singer/ poet Leonard Cohen.
Abd al-Muttalib
Abd al- Muttalib Shaybah ibn Hashim( c. 497 – 578) was the grandfather of Islamic prophet Muhammad.
Henry Bryant (naturalist)
Henry Bryant( May 12, 1820 – February 2, 1867) was an American physician and naturalist.
He was the grandfather of Henry Bryant Bigelow.
Guillaume Wittouck
Guillaume Wittouck( 1749- 1829) was a Belgian lawyer and High Magistrate.
He was the Grandfather of industrialist Paul Wittouck.

Question: Who is Francesco Iv Ordelaffi's paternal grandfather?
Answer: Francesco III Ordelaffi