Boteiras of Bithynia
Boteiras was a local prince of the region of Bithynia, and the father of Bas of Bithynia, first independent ruler of Bithynia, who governed fifty years, from 376 to 326 BCE.
Bithynia was captured from the Persians by Alexander the Great, but Calantus, one of his generals, was defeated by Bas, son of Boteiras.
As a consequence, Bithynia became an independent state.
Etazeta of Bithynia
Etazeta( fl. 255 BC – 254 BC) was the second wife of Nicomedes I, king of Bithynia and a ruler of Bithynia.
Abd al-Muttalib
Abd al- Muttalib Shaybah ibn Hashim( c. 497 – 578) was the grandfather of Islamic prophet Muhammad.
Lyon Cohen
Lyon Cohen( 1868–1937) was a Polish- born Canadian businessman and a philanthropist.
He was the grandfather of singer/ poet Leonard Cohen.
Nicomedes IV of Bithynia
Nicomedes IV Philopator  was the king of Bithynia from c. 94 BC to 74 BC.
He was the first son and successor of Nicomedes III of Bithynia and Nysa and had a sister called Nysa.
Marcus Minucius Thermus
Marcus Minucius Thermus was an ancient Roman soldier and statesman.
He was praetor in 81 BC and propraetor of the Roman province of Asia the following year, succeeding Murena.
The capture of Mytilene occurred during his governorship; Mytilene had been in revolt against Rome and was suspected of actively or tacitly aiding so-called pirates in the region.
Suetonius credits Thermus with the victory, but the siege may have been conducted by or in coordination with Lucius Licinius Lucullus.
Little else is known of his life or career.
Julius Caesar began his military service under Thermus after his pardon by Sulla during the proscriptions of 82 BC.
It was Thermus who sent the young Caesar as an envoy to the court of Nicomedes IV of Bithynia to request aid in the form of a fleet.
Although Thermus was a Sullan partisan, in 86 BC his younger brother Quintus had been a legate in Asia under appointment by the rival Marians.
Quintus had replaced Fimbria after his mutiny.
Nicomedes III of Bithynia
Nicomedes III Euergetes (the Benefactor) was the king of Bithynia, from c. 127 BC to c. 94 BC.
He was the son and successor of Nicomedes II of Bithynia by an unnamed woman.
Ziaelas of Bithynia
Ziaelas( lived c. 265 BC – 228 BC, reigned c. 254 BC – 228 BC), third king of Bithynia, was a son of Nicomedes I and Ditizele.
Socrates Chrestus
Socrates Chrestus(" Chrestus"( The Good) died 90 – 88 BC) was the second son of Nicomedes III of Bithynia.
He usurped the Bithynian throne by deposing his elder brother or half brother, Nicomedes IV of Bithynia.
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.

Question: Who is Nicomedes Iv Of Bithynia's paternal grandfather?