Irina Paley
Princess Irina Pavlovna Paley( 21 December 1903 – 15 November 1990) was the daughter of Grand Duke Paul Alexandrovich of Russia and his second wife, Olga Valerianovna Karnovich.
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.
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.
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.
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.
John Westley
Rev. John Westley( 1636 – 78) was an English nonconformist minister.
He was the grandfather of John Wesley( founder of Methodism).
Grand Duke Paul Alexandrovich of Russia
Grand Duke Paul Alexandrovich of Russia (3 October 1860 – 28 January 1919) was the sixth son and youngest child of Emperor Alexander II of Russia by his first wife, Empress Maria Alexandrovna.
He was a brother of Emperor Alexander III and uncle of Nicholas II, Russia's last monarch.
He entered the Russian Army, was a general in the Cavalry and adjutant general to his brother Emperor Alexander III, and a Knight of the Order of St. Andrew.
In 1889, he married Princess Alexandra of Greece, his paternal first cousin once removed.
The couple had a daughter and a son, but Alexandra died after the birth of their second child.
In his widowhood, Grand Duke Paul began a relationship with Olga Valerianovna Karnovich, a married woman with three children.
After obtaining a divorce for Olga and in defiance of a strong family opposition, Grand Duke Paul married her in October 1902.
As he contracted a morganatic marriage with a divorcée in defiance of the Tsar's prohibition, Grand Duke Paul was banished from living in Russia and deprived of his titles and privileges.
Between 1902 and 1914, he lived in exile in Paris with his second wife, who gave him three children.
In the spring of 1914, he settled back in Russia with his second family.
With the outbreak of World War I, Grand Duke Paul was appointed in command of the first corps of the Imperial Guard.
Afflicted with ill health, he served only intermittently.
During the last days of the Tsarist period, he was one of the few members of the Romanov family who remained close to Tsar Nicholas II and his wife, Alexandra Feodorovna.
It fell upon Grand Duke Paul to inform Alexandra of Nicholas II's abdication.
After the fall of the Russian monarchy, Grand Duke Paul initially remained at his palace in Tsarskoe Selo during the period of the provisional government.
With the Bolsheviks ascending to power, his palace was expropriated, and eventually he was arrested and sent to prison.
In declining health, he was shot by the Bolsheviks with other Romanov relatives in the courtyard of the Peter and Paul Fortress in January 1919, and his remains were thrown into a common grave.
Natalia Pavlovna Paley
Princess Natalia Pavlovna Paley (5 December 1905 – 27 December 1981) was a Russian aristocrat who was a non-dynastic member of the Romanov family.
A daughter of Grand Duke Paul Alexandrovich of Russia, she was a first cousin of the last Russian emperor, Nicholas II.
After the Russian Revolution, she emigrated first to France and later to the United States.
She became a fashion model, socialite, "vendeuse", and briefly pursued a career as a film actress.
Guillaume Wittouck
Guillaume Wittouck( 1749- 1829) was a Belgian lawyer and High Magistrate.
He was the Grandfather of industrialist Paul Wittouck.

Question: Who is Natalia Pavlovna Paley's paternal grandfather?